Git: Add Gerrit to Locator

The Gerrit dialog itself was missing while Push to Gerrit was already
there.

Change-Id: Ie4b85cad9dba96beafb595c505daf28d0a1ceeb5
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>

src/plugins/git/gerrit/gerritplugin.h

@@ -88,6 +88,7 @@ private:
 
     QSharedPointer<GerritParameters> m_parameters;
     QPointer<GerritDialog> m_dialog;
+    Core::Command *m_gerritCommand;
     ActionCommandPair m_pushToGerritPair;
     QString m_reviewers;
 };