[PATCH] spidernet: fix missing include

This is now required to avoid
drivers/net/spider_net.c:844: error: 'IPPROTO_TCP' undeclared
Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/net/spider_net.c

@@ -29,6 +29,7 @@
 #include <linux/ethtool.h>
 #include <linux/firmware.h>
 #include <linux/if_vlan.h>
+#include <linux/in.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/ip.h>