setMemory wants an int, give it

src/virtManager/domain.py

@@ -274,6 +274,7 @@ class vmmDomain(gobject.GObject):
         print "If this was implemented, it would set this domain to have " + `vcpus` + " virtual cpus."
 
     def set_memory(self, memory):
+        memory = int(memory)
         if(memory > self.maximum_memory()):
             print "XXX add proper error handling here. You may not set vm memory larger than the maximum set for the vm."
         self.vm.setMemory(memory)