Git: compile fix

bool operator<(const CommitData::StateFilePair &a, ...) needs to
be defined _after_ Q_DECLARE_OPERATORS_FOR_FLAGS(Git::Internal::FileStates)

Change-Id: I03d5d79e2b77d0063c588aff1c549afd78a0ee3d
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/git/commitdata.h

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