Make pending property changes trigger mode setting.

The DDX code was ignoring pending properties for computing when mode setting
was required. This meant that configurations differing only in property
values would not cause the mode to be set.

hw/xfree86/modes/xf86RandR12.c

@@ -750,6 +750,10 @@ xf86RandR12CrtcSet (ScreenPtr	pScreen,
 	    output->crtc = new_crtc;
 	}
     }
+    for (ro = 0; ro < num_randr_outputs; ro++) 
+        if (randr_outputs[ro]->pendingProperties)
+	    changed = TRUE;
+
     /* XXX need device-independent mode setting code through an API */
     if (changed)
     {