Use diff variable names than the standard type so we can run automated script
checks on the code to easily pull out export violations.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -82,10 +84,10 @@ struct xt_get_revision
  */
 struct _xt_align
 {
-	u_int8_t u8;
-	u_int16_t u16;
-	u_int32_t u32;
-	u_int64_t u64;
+	u_int8_t align_u8;
+	u_int16_t align_u16;
+	u_int32_t align_u32;
+	u_int64_t align_u64;
 };
 
 #define XT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1)) 	\