c-ada-spec.h (decl_sloc): Delete.

c-ada-spec.h (decl_sloc): Delete.

c-family/
	* c-ada-spec.h (decl_sloc): Delete.
	* c-ada-spec.c (decl_sloc): Make static.
c/
	* c-decl.c (collect_source_ref_cb): Delete.
	(for_each_global_decl): Rename into...
	(collect_source_refs): ...this.  Call collect_source_ref directly.
	(c_parse_final_cleanups): Always call collect_source_ref on the main
	input filename.
cp/
	* decl2.c (c_parse_final_cleanups): Always call collect_source_ref on
	the main input filename.

From-SVN: r279670