message: minor improvement to order check, can stop after the first disorder
diff: @@ -743,7 +743,11 @@ void AliHLTTPCGMMerger::CollectMergedTracks()
  int ordered = 1;
  for( int i=1; i<nHits; i++ )
  {
  - if ( trackClusters[i].GetX() > trackClusters[i-1].GetX() ) ordered = 0;
  + if ( trackClusters[i].GetX() > trackClusters[i-1].GetX() )
  + {
  + ordered = 0;
  + break;
  + }
  }
  int firstTrackIndex = 0;
  