vmmCreate: Fixed an AttributeError created by 7fcdd61

When trying to create a new virtual machine an exception has been thrown:
Error launching manager: 'vmmConnection' object has no attribute
'get_pretty_desc_active'

Signed-off-by: Tal Kain <tal@kain.net>

virtManager/create.py

@@ -763,7 +763,7 @@ class vmmCreate(vmmGObjectUI):
                 # Favor local connections over remote connections
                 default = len(model)
 
-            model.append([connobj.get_uri(), connobj.get_pretty_desc_active()])
+            model.append([connobj.get_uri(), connobj.get_pretty_desc()])
 
         no_conns = (len(model) == 0)