Add cmdq as an argument to format_create and add a format for the

command name (will also be used for more later).

names.c

@@ -118,7 +118,7 @@ format_window_name(struct window *w)
 	struct format_tree	*ft;
 	char			*fmt, *name;
 
-	ft = format_create(0);
+	ft = format_create(NULL, 0);
 	format_defaults_window(ft, w);
 	format_defaults_pane(ft, w->active);