PR c++/16924

	* config/i386/winnt.c (i386_pe_mark_dllexport): Set
	SYMBOL_REF_DECL.
	(i386_pe_mark_dllimport): Likewise.
	(i386_pe_encode_section_info): Likewise, when overriding
	dllimport attribute.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85924 138bc75d-0d04-0410-961f-82ee72b054a4