message: net: Correct comparison of addr count
  LOCAL_NONE is supposed to be an enum indicating the score of a
  LocalServiceInfo rather than the count of an addr in mapLocalHost.
diff: @@ -174,8 +174,7 @@ CAddress GetLocalAddress(const CNetAddr *paddrPeer, ServiceFlags nLocalServices)
  static int GetnScore(const CService& addr)
  {
  LOCK(cs_mapLocalHost);
  - if (mapLocalHost.count(addr) == LOCAL_NONE)
  - return 0;
  + if (mapLocalHost.count(addr) == 0) return 0;
  return mapLocalHost[addr].nScore;
  }
  