typeck.c (build_binary_op_nodefault): Change % in format strings to %%.

typeck.c (build_binary_op_nodefault): Change % in format strings to %%.

	* typeck.c (build_binary_op_nodefault): Change % in format strings
	to %%.
	* decl.c (grokvardecl): Don't build_static_name for decls that
	aren't at namespace scope.
	* init.c (perform_member_init): Catch default-initialization of
	references.

From-SVN: r20547