--- iptables-1.4.10/include/linux/types.h.orig	2011-11-07 00:08:33.000000000 +0100
+++ iptables-1.4.10/include/linux/types.h	2011-11-07 00:09:25.000000000 +0100
@@ -34,5 +34,9 @@
 typedef __u16 __bitwise __sum16;
 typedef __u32 __bitwise __wsum;
 
+#define __aligned_u64 __u64 __attribute__((aligned(8)))
+#define __aligned_be64 __be64 __attribute__((aligned(8)))
+#define __aligned_le64 __le64 __attribute__((aligned(8)))
+
 #endif /*  __ASSEMBLY__ */
 #endif /* _LINUX_TYPES_H */