MetaDataUpdate: Expose #fireGitRefUpdatedEvent to derived classes

Change access to protected so that deriving classes can decide if events
should be fired.

Change-Id: I1e6fd57a6cb534ae1f944803e322e72d4f63065e
Signed-off-by: Jacek Centkowski <jcentkowski@collab.net>
Signed-off-by: David Pursehouse <dpursehouse@collab.net>
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/git/MetaDataUpdate.java b/gerrit-server/src/main/java/com/google/gerrit/server/git/MetaDataUpdate.java
index 477da3f..a31d1fc 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/git/MetaDataUpdate.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/git/MetaDataUpdate.java
@@ -245,7 +245,7 @@
     return commit;
   }
 
-  void fireGitRefUpdatedEvent(RefUpdate ru) {
+  protected void fireGitRefUpdatedEvent(RefUpdate ru) {
     gitRefUpdated.fire(
         projectName, ru, author == null ? null : author.getAccount());
   }