Warning fixes:
* bad.c (ffebad_finish): Change type of variable `c' to unsigned
char, change type of variable `s' to unsigned char *.
* com.c (ffecom_symbol_null_): Add missing initializers.
* fini.c (MAXNAMELEN): Undef it before defining.
* implic.c (ffeimplic_lookup_): Change type of parameter `c' to
unsigned char.
* intrin.c (ffeintrin_init_0): Cast the argument of ctype macros
to (unsigned char).
* lex.c (ffelex_splice_tokens): Change type of variable `p' to
unsigned char *.
(ffelex_token_name_from_names): Cast the argument of
`ffelex_is_firstnamechar' to (unsigned char).
(ffelex_token_names_from_names): Likewise.
(ffelex_token_new_name): Likewise.
(ffelex_token_new_names): Likewise.
* malloc.c (malloc_root_): Add missing initializer.
* stb.c (ffestb_do): Change type of variable `p' to unsigned char *.
(ffestb_else) Likewise.
(ffestb_else3_) Likewise.
(ffestb_endxyz) Likewise.
(ffestb_goto) Likewise.
(ffestb_let) Likewise.
(ffestb_varlist) Likewise.
(ffestb_R522) Likewise.
(ffestb_R528) Likewise.
(ffestb_R834) Likewise.
(ffestb_R835) Likewise.
(ffestb_R838) Likewise.
(ffestb_R1102) Likewise.
(ffestb_blockdata) Likewise.
(ffestb_R1212) Likewise.
(ffestb_R810) Likewise.
(ffestb_R10014_): Cast the argument of `ffelex_is_firstnamechar'
to (unsigned char).
(ffestb_V014): Change type of variable `p' to unsigned char *.
(ffestb_dummy) Likewise.
(ffestb_R524) Likewise.
(ffestb_R547) Likewise.
(ffestb_decl_chartype) Likewise.
(ffestb_decl_dbltype) Likewise.
(ffestb_decl_gentype) Likewise.
(ffestb_decl_entsp_2_) Likewise.
(ffestb_V027) Likewise.
(ffestb_decl_R539) Likewise.
* top.c (ffe_decode_option): Mark parameter `argc' with
ATTRIBUTE_UNUSED.
* where.c (ffewhere_unknown_line_): Add missing initializers.
From-SVN: r23030