* config/i386/xm-go32.h: Don't include fopen-bin.h.

	* config/i386/xm-go32.h: Don't include fopen-bin.h.
	Don't define CRLF_SOURCE_FILES and DIRNAME_SEPARATOR.

	* source.c (OPEN_MODE, FDOPEN_MODE): Remove the definitions in the
	branch that doesn't define CRLF_SOURCE_FILES; always use
	binary-mode open.
	(print_source_lines_base, forward_search_command)
	(reverse_search_command): Enable the code that accepts DOS-style
	CRLF line endings on all platforms (this removes the need for
	CRLF_SOURCE_FILES).

	* defs.h: (DIRNAME_SEPARATOR) [__MSDOS__]: Define to ';'.