File emacs-24.3-nonvoid.patch of Package emacs.3898
--- src/xmenu.c +++ src/xmenu.c 2013-05-21 15:21:41.301439390 +0000 @@ -310,8 +310,8 @@ for instance using the window manager, t #else { Lisp_Object title; - const char *error_name; - Lisp_Object selection; + const char *error_name = NULL; + Lisp_Object selection = Qnil; ptrdiff_t specpdl_count = SPECPDL_INDEX (); /* Decode the dialog items from what was specified. */