Index: gerber.c
===================================================================
--- gerber.c	(revision 34813)
+++ gerber.c	(revision 34814)
@@ -1016,7 +1016,7 @@
 		"For more info please read:\n"
 		"http://repo.hu/cgi-bin/pool.cgi?cmd=show&node=cam_switch\n";
 	rnd_hid_export_opt_func_dad_t *dad = call_ctx;
-	const char *xpm = "";
+	const char *xpm_ = "", **xpm = &xpm_;
 
 	switch(act) {
 		case RND_HIDEOF_USAGE: