Git: Fix object leaks

Change-Id: I0efb368782ffb66cf6b8d39650fe7840c5ef2501
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/gerrit/gerritoptionspage.h

@@ -76,6 +76,7 @@ class GerritOptionsPage : public VcsBase::VcsBaseOptionsPage
 public:
     GerritOptionsPage(const QSharedPointer<GerritParameters> &p,
                       QObject *parent = 0);
+    ~GerritOptionsPage();
 
     QWidget *createPage(QWidget *parent);
     void apply();