Git: Refresh log entries on fixup commit

Change-Id: Icd14c8916dc006874b77aa922b3f1c6746e0549c
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/gitsubmiteditorwidget.h

@@ -71,6 +71,7 @@ public:
     QString amendSHA1() const;
     void setHasUnmerged(bool e);
     void initialize(CommitType commitType, const QString &repository);
+    void refreshLog(const QString &repository);
 
 protected:
     bool canSubmit() const;