Warning fixes:

Warning fixes:

	* Makefile.in (actions.o, convert.o, decl.o, expr.o, lang.o,
	lex.o, loop.o, parse.o, satisfy.o, timing.o, tasking.o, tree.o,
	typeck.o): Depend on system.h and toplev.h.
	(except.o): Depend on toplev.h.
	(grant.o): Depend on system.h, toplev.h and output.h.
	* actions.c: Include system.h and toplev.h.  Remove redundant
 	prototypes.
	(build_cause_exception): Add default case in switch.
	(update_else_range_for_range): Add parentheses around && within ||.
	(chill_handle_multi_case_label_list): Remove unused variable
	`selector_value'.
	(print_missing_cases): Reconcile format specifiers vs arguments in
 	calls to sprintf.
	* ch-tree.h: Don't include stdio.h.  Wrap prototypes using FILE*
 	with macro BUFSIZ.  Add missing prototypes.
	* convert.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
  	(convert): Remove unused variable `errstr'.
	* decl.c: Include system.h and toplev.h.  Remove redundant
 	prototypes.
	(builtin_scope): Add missing initializers.
	(clear_scope): Likewise.
	(allocate_lang_decl): Mark parameter `t' with ATTRIBUTE_UNUSED.
	(copy_lang_decl): Likewise for parameter `node'.
	(c_decode_option): Likewise for parameter `argc'.
	(push_extern_function): Likewise for parameter `granting'.
	(switch_to_pass_2): Hide declaration of errorcount/sorrycount.
	(pushdecl): Remove unused variable `t'.
	(lookup_name_current_level): Make static and hide.
	(lookup_name_for_seizing): Make static.
	(finish_decl): Remove unused variable `type'.
	(maybe_build_cleanup): Mark parameter `decl' with ATTRIBUTE_UNUSED.
	(complete_array_type): Mark parameters `type', `initial_value' and
 	`do_default' with ATTRIBUTE_UNUSED.
	(start_struct): Mark parameter `name' with ATTRIBUTE_UNUSED.
	(start_enum): Likewise.
	(shadow_record_fields): Remove unused variables `type' and `parent'.
	* except.c: Include toplev.h.  Remove redundant prototypes.
	* expr.c: Include system.h and toplev.h.  Don't define NULL.
  	Remove redundant prototypes.
	(internal_build_compound_expr): Mark parameter `first_p' with
	ATTRIBUTE_UNUSED.
	(build_allocate_getstack): Remove unused variable `init'.
	(build_chill_pred_or_succ): Likewise for variable `limit'.
	(varying_to_slice): Likewise for variable `doamin' [sic].
	(finish_chill_binary_op): Likewise for variables `code0' and
	`code1'.  Remove unused label `finish'.  Add explicit braces to
	avoid ambiguous `else'.
	(build_chill_addr_expr): Remove extra parameter in call to `error'.
	(build_chill_unary_op): Remove unused variables `class' and `type0'.
	(powersetlen): Remove unused variables `domain' and `temp'.
	* grant.c: Include system.h, toplev.h and output.h.  Don't handle
 	strchr/strrchr.  Remove redundant prototypes.
  	(decode_constant_selective): Remove unused variables `op' and `wrk'.
	(push_granted): Mark parameters `name' and `decl' with
 	ATTRIBUTE_UNUSED.
	* inout.c: Include system.h and toplev.h.  Remove redundant
 	prototypes.
	(textlocation_mode): Use &&, not &, when comparing two truth
	values.
	(scanformcont): Remove unused label `do_the_action'.
	* lang.c: Include system.h and toplev.h.  Remove redundant
 	prototypes.
	(lookup_interface): Mark parameter `arg' with ATTRIBUTE_UNUSED.
	(maybe_objc_comptypes): Likewise for parameters `lhs' and `rhs'.
	(lang_print_xnode): Likewise for parameters `file', `node' and
	`indent'.
	(lang_decode_option): Explicitly declare `explicit_ignore_case'.
	(incomplete_type_error): Mark parameters `value' and `type' with
	ATTRIBUTE_UNUSED.
	* lex.c: Include system.h and toplev.h.  Remove redundant
 	prototypes.  Don't handle strchr/strrchr.  Use CAPITALIZED
	versions of ctype macros from system.h.  Cast ctype arguments to
	unsigned char when necessary.
	(last_token, RETURN_TOKEN): Hide definition.
	(push_back): Remove unused function.
	(readstring): Change variable `i' to unsigned.
	(yywrap): Remove unused variable `node'.
	* loop.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
	(chill_unsigned_type): Hide prototype and definition.
	(begin_loop_scope): Remove unused variable `firstp'.
	(nonvalue_begin_loop_scope): Likewise.
	* parse.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
	(quasi_signal): Hide.
	(PEEK_TOKEN): Change return type to `enum terminal'.
	(parse_mode_definition_statement): Remove unused variable `names'.
	(parse_formpar): Remove unused parameter `in_spec_module'.  All
	callers changed.
	(parse_formparlist): Likewise.
	(parse_processpar): Remove unused variable `parms'.
	(parse_definition): Add explicit braces to avoid ambiguous `else'.
	(parse_multi_dimension_case_action): Initialize variable
	`begin_test_label'.  Remove unused variable `new_test'.
	(parse_case_action): Remove unused variable `caseaction_flag'.
	(parse_asm_clobbers): Remove unused variable `expr'.
	(parse_delay_case_action): Initialize variable `label_cnt'.
	(parse_action): Make function static.
	(parse_tuple_element): Remove unused variable `list'.
	(parse_primval): Add default case in switch.
	(parse_variant_alternative): Remove unused variables `x' and
	`variant_fields'.
	* satisfy.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
	* tasking.c Include system.h and toplev.h.  Remove redundant
	prototypes.
	(data_name): Hide.
	(get_struct_variable_name): Likewise.
	(validate_process_parameters): Mark parameter `parms' with
	ATTRIBUTE_UNUSED.
	(build_start_process): Initialize variable `tuple'.
	(build_receive_buffer_case_end): Remove unused variable `buffer_ptr'.
	* timing.c: Include system.h and toplev.h.
	(build_after_timeout_start): Remove unused variable `goto_where'.
	* tree.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
	* typeck.c: Include system.h and toplev.h.  Remove redundant
	prototypes.
	(extract_constant_from_buffer): Make function static.  Add
 	explicit braces to avoid ambiguous `else'.
	(expand_constant_to_buffer): Likewise.
	(build_chill_slice): remove unused variable `is_static'.
	(chill_compatible): Add explicit braces to avoid ambiguous `else'.
	(apply_chill_array_layout): Remove unused variable `offset'.
	(smash_dummy_type): Remove unused variable `save_lang_specific'.
	(initializer_constant_valid_p): Add default case in switch.

From-SVN: r22493