(mozilla_remote_commands): Don't dereference a NULL pointer. This fix

	was taken from <URL:http://gate.vi.nnov.ru/doc/ports/www/
	netscape-remote/patches/> and is probably written by Kelly
	<kbyanc@posi.net>.  Thanks!

remote.c

@@ -502,6 +502,9 @@ mozilla_remote_commands (Display *dpy, Window window, char **commands)
   int status = 0;
   mozilla_remote_init_atoms (dpy);
 
+  if (commands == NULL)
+    return;
+
   if (window == 0)
     window = mozilla_remote_find_window (dpy);
   else