Ping: RFA: Fix OP_INOUT handling of web.c:union_match_dups

[Joern Rennecke]

2012-10-02  Joern Rennecke  <joern.renne...@embecosm.com>

        * web.c (union_match_dups): Properly handle OP_INOUT match_dups.

http://gcc.gnu.org/ml/gcc-patches/2012-10/msg00189.html