fix parameter count for vq-wav2vec (#1085)
fix parameter count for vq-wav2vec (#1085)

Summary:
Fixes #1771
Pull Request resolved: https://github.com/fairinternal/fairseq-py/pull/1085

Differential Revision: D20380105

Pulled By: alexeib

fbshipit-source-id: 72fe7cb9ba5dc48a1ebdd9b1928522aa56276c06

pytorch/fairseq,pytorch/fairseq,pytorch/fairseq