ws2_32: Downgrade FIXME for WS_SIO_SET_COMPATIBILITY_MODE to a TRACE

[André Hentschel]

Firefox 4 tries to use it often and i doubt we can/want/will do something about a "compatibility mode"
---
 dlls/ws2_32/socket.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index 1993419..9469d30 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -3483,6 +3483,10 @@ INT WINAPI WSAIoctl(SOCKET s,
        HeapFree(GetProcessHeap(), 0, ipAddrTable);
        return 0;
    }
+   case WS_SIO_SET_COMPATIBILITY_MODE:
+       TRACE("WS_SIO_SET_COMPATIBILITY_MODE ignored\n");
+       WSASetLastError(WSAEOPNOTSUPP);
+       return SOCKET_ERROR;
    case WS_SIO_UDP_CONNRESET:
        FIXME("WS_SIO_UDP_CONNRESET stub\n");
        break;
-- 

Best Regards, André Hentschel