Fixes live_migration missing migrate_data parameter in Hyper-V driver

Fixes Bug #1066513

Live migration on Hyper-V fails due to the parameter "migrate_data" that
has been added to the signature of live_migration(...) in
nova.virt.ComputeDriver.

This fix adds the new parameter.

Change-Id: I393f6706bc144838ae232dfb275460620bc203e2

nova/virt/hyperv/driver.py

@@ -161,9 +161,9 @@ def power_on(self, instance):
         self._vmops.power_on(instance)
 
     def live_migration(self, context, instance_ref, dest, post_method,
-        recover_method, block_migration=False):
+        recover_method, block_migration=False, migrate_data=None):
         self._livemigrationops.live_migration(context, instance_ref, dest,
-            post_method, recover_method, block_migration)
+            post_method, recover_method, block_migration, migrate_data)
 
     def compare_cpu(self, cpu_info):
         return self._livemigrationops.compare_cpu(cpu_info)

nova/virt/hyperv/livemigrationops.py

@@ -64,7 +64,7 @@ def _check_live_migration_config(self):
                 _('Live migration networks are not configured on this host'))
 
     def live_migration(self, context, instance_ref, dest, post_method,
-        recover_method, block_migration=False):
+        recover_method, block_migration=False, migrate_data=None):
         LOG.debug(_("live_migration called"), instance=instance_ref)
         instance_name = instance_ref["name"]