Git: Place conflicted files last in submit editor

Change-Id: Ie4c7423d85f3f568d04d6c86e8b8123c73dab5fb
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/commitdata.h

@@ -109,6 +109,8 @@ private:
     bool checkLine(const QString &stateInfo, const QString &file);
 };
 
+bool operator<(const CommitData::StateFilePair &a, const CommitData::StateFilePair &b);
+
 } // namespace Internal
 } // namespace Git