io/channel-watch: Drop a superfluous '#ifdef WIN32'

In the win32 version qio_channel_create_socket_watch() body there is
no need to do a '#ifdef WIN32'.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

io/channel-watch.c

@@ -285,11 +285,9 @@ GSource *qio_channel_create_socket_watch(QIOChannel *ioc,
     GSource *source;
     QIOChannelSocketSource *ssource;
 
-#ifdef WIN32
     WSAEventSelect(socket, ioc->event,
                    FD_READ | FD_ACCEPT | FD_CLOSE |
                    FD_CONNECT | FD_WRITE | FD_OOB);
-#endif
 
     source = g_source_new(&qio_channel_socket_source_funcs,
                           sizeof(QIOChannelSocketSource));