message: Fix possible crash after starred commits have been added and removed
diff: @@ -133,7 +133,11 @@ Repository::Data::Data(git_repository *repo)
  if (!file.open(QIODevice::ReadOnly))
  return;
  - foreach (const QByteArray &id, file.readAll().split('\n'))
  + QByteArray ids = file.readAll();
  + if (ids.isEmpty())
  + return;
  +
  + foreach (const QByteArray &id, ids.split('\n'))
  starredCommits.insert(QByteArray::fromHex(id));
  }
  