parse.y (primary): Use notype_unqualified_id instead of IDENTIFIER in Koenig lookup...

parse.y (primary): Use notype_unqualified_id instead of IDENTIFIER in Koenig lookup support rules.

	* parse.y (primary): Use notype_unqualified_id instead of IDENTIFIER
	in Koenig lookup support rules.
	* semantics.c (finish_call_expr): Handle the new cases.
	* typeck.c (build_x_function_call): Handle overloaded methods.
	* decl.c (grokvardecl): Don't call build_static_name for extern "C".

From-SVN: r21245