message: Fix link to original LSTM paper
diff: @@ -609,7 +609,7 @@ enum {
  * Long short-term memory unit (LSTM) recurrent network layer.
  *
  * The default non-peephole implementation is based on:
  - * http://deeplearning.cs.cmu.edu/pdfs/Hochreiter97_lstm.pdf
  + * http://www.bioinf.jku.at/publications/older/2604.pdf
  * S. Hochreiter and J. Schmidhuber. "Long Short-Term Memory". Neural
  * Computation, 9(8):1735-1780, 1997.
  *
  