* config/i386/winnt.c (DLL_IMPORT_PREFIX): New define.
	Use throughout instead of DLL_IMPORT_EXPORT_PREFIX and "e."
	(DLL_EXPORT_PREFIX): New define. Use throughout instead of
	DLL_IMPORT_EXPORT_PREFIX and "i."
	(i386_pe_dllexport_name_p): Here.
	(i386_pe_dllimport_name_p): Here.
        (i386_pe_mark_dllexport): Here. Remove DLL_IMPORT_PREFIX,
	not 9 chars when getting identifier name.
	(i386_pe_mark_dllimport): Here.
	(i386_pe_encode_section_info): Here. Remove DLL_IMPORT_PREFIX,
	not 9 chars when getting identifier name. Correct comment.
	(i386_pe_strip_name_encoding): Here. Add comments for different
	cases.
	(gen_fastcall_suffix): Break down xmalloc() argument to
	components.
	(gen_stdcall_suffix): Likewise.
	Update copyright year.

From-SVN: r64227