Merge pull request #13 from wjt/fix-double-X_UNLOCK-on-xrandr-event

x11vnc: fix double X_UNLOCK on xrandr events

x11vnc/xrandr.c

@@ -268,6 +268,7 @@ int check_xrandr_event(char *msg) {
 			/* under do_change caller normally returns before its X_UNLOCK */
 			X_UNLOCK;
 			handle_xrandr_change(rev->width, rev->height);
+			X_LOCK;
 		}
 		if (qout) {
 			return do_change;