w32: Fix compilation (wrong include file)

arpa/inet.h is not available for w32, so commit
edbb21363fbfe40e050f583df921484cbc31c79d breaks
w32 compilations.

This is fixed by using qemu_socket.h.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Reviewed-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/hw/ccid-card-passthru.c b/hw/ccid-card-passthru.c
index 8506fed..28eb9d1 100644
--- a/hw/ccid-card-passthru.c
+++ b/hw/ccid-card-passthru.c
@@ -8,9 +8,8 @@
  * See the COPYING file in the top-level directory.
  */
 
-#include <arpa/inet.h>
-
 #include "qemu-char.h"
+#include "qemu_socket.h"
 #include "monitor.h"
 #include "hw/ccid.h"
 #include "libcacard/vscard_common.h"