Slave instances are disabled, so protect against UnboundLocalError.

master/product/Vifib/Tool/SlapTool.py

@@ -873,9 +873,11 @@ class SlapTool(BaseTool):
 
       if shared:
         # XXX: Dirty hack
+        slave_instance = None
         for slave_instance in parameter_dict.get("slave_instance_list", []):
           if slave_instance['slave_title'] == partition_reference:
             break
+        if slave_instance is not None:
           software_instance._parameter_dict = self._instanceXmlToDict(
             slave_instance.pop('xml'))
           software_instance._connection_dict = self._instanceXmlToDict(