extern void x_wm_set_icon_position P_ ((struct frame *, int, int));
extern Lisp_Object x_new_font P_ ((struct frame *, char *));
-extern Lisp_Object x_new_fontset P_ ((struct frame *, char *));
+extern Lisp_Object x_new_fontset P_ ((struct frame *, Lisp_Object));
/* These are in frame.c */