mips-tfile.c (init_file): Add missing initializers in the "#ifdef __alpha" case.

mips-tfile.c (init_file): Add missing initializers in the "#ifdef __alpha" case.

	* mips-tfile.c (init_file): Add missing initializers in the
	"#ifdef __alpha" case.
	(file_offset, max_file_offset): Declare as unsigned long.
	(write_varray): Cast to "unsigned long" in comparisons against
	either file_offset or max_file_offset.
	(write_object): Likewise.
	(read_seek): Likewise.
	(copy_object): Likewise. Declare "ifd" as int to match its use
	in add_ext_symbol, and avoid signed/unsigned conditional warning.

From-SVN: r62671