* ldlang.c (section_already_linked): New static function.

	* ldlang.c (section_already_linked): New static function.
	(wild_doit): Discard sections with SEC_EXCLUDE set if not doing a
	relocateable link.  Don't worry about section being NULL, since it
	never should be.  Don't call init_os unless the section is going
	to be added.
	(ldlang_add_file): Call section_already_linked for each section.
	* ldmain.c (multiple_definition): Don't warn about multiple
	definitions in sections which are being discarded.