bnc#874594 - virt-manager allows issuing of start for xen domain twice, resulting in failure

--- virt-manager-1.0.1/virtManager/details.py.orig	2014-05-15 17:04:23.580176420 -0600
+++ virt-manager-1.0.1/virtManager/details.py	2014-05-15 17:07:55.444521681 -0600
@@ -1459,6 +1459,9 @@ class vmmDetails(vmmGObjectUI):
         self.widget("details-menu-usb-redirection").set_sensitive(can_usb)
 
     def control_vm_run(self, src_ignore):
+        # De-sensitize widget so a double click on the icon won't attempt to
+        # start the VM twice
+        self.widget("control-run").set_sensitive(False)
         self.emit("action-run-domain",
                   self.vm.conn.get_uri(), self.vm.get_uuid())