Gerrit: Fix build

Change-Id: I0e0da912562ffafc92f45b96b0bdd61813ccb24e
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

src/plugins/git/gerrit/gerritplugin.h

@@ -74,10 +74,11 @@ public:
     void fetchCheckout(const QSharedPointer<Gerrit::Internal::GerritChange> &change);
     void updateActions(bool hasTopLevel);
 
-private:
+signals:
     void fetchStarted(const QSharedPointer<Gerrit::Internal::GerritChange> &change);
     void fetchFinished();
 
+private:
     void openView();
     void push();