mutter trap patch

--- mutter-3.14.2/src/backends/x11/meta-monitor-manager-xrandr.c    2014-11-12 18:27:07.000000000 +0100
+++ mutter-3.14.2/src/backends/x11/meta-monitor-manager-xrandr.c    2014-12-16 02:41:39.982157743 +0100
@@ -710,12 +710,14 @@
   Atom atom;
   int value = presentation;

+  gdk_error_trap_push();//stolen from mutter-compiz on github
   atom = XInternAtom (manager_xrandr->xdisplay, "_MUTTER_PRESENTATION_OUTPUT", False);
   XRRChangeOutputProperty (manager_xrandr->xdisplay,
                            (XID)output->winsys_id,
                            atom,
                            XA_CARDINAL, 32, PropModeReplace,
                            (unsigned char*) &value, 1);
+  gdk_error_trap_pop_ignored();//dito
 }

 static void