message: remove TCP_NOPUSH.
diff: @@ -1310,20 +1310,12 @@ static sw_inline int swKill(pid_t __pid, int __sig)
  return ret;
  }
  -#if defined(TCP_NOPUSH) || defined(TCP_CORK)
  +#ifdef TCP_CORK
  #define HAVE_TCP_NOPUSH
  -#ifdef TCP_NOPUSH
  -static sw_inline int swSocket_tcp_nopush(int sock, int nopush)
  -{
  - return setsockopt(sock, IPPROTO_TCP, TCP_NOPUSH, (const void *) &nopush, sizeof(int));
  -}
  -
  -#elif defined(TCP_CORK)
  static sw_inline int swSocket_tcp_nopush(int sock, int nopush)
  {
  return setsockopt(sock, IPPROTO_TCP, TCP_CORK, (const void *) &nopush, sizeof(int));
  }
  -#endif
  #else
  #define swSocket_tcp_nopush(sock, nopush)
  #endif
  