$OpenBSD: patch-src_ip_options_c,v 1.1 2010/08/02 11:20:28 sebastia Exp $
Fix build on gcc-2.95 archs.

--- src/ip_options.c.orig	Mon Aug  2 09:23:35 2010
+++ src/ip_options.c	Mon Aug  2 09:23:56 2010
@@ -69,7 +69,11 @@ struct options {
   unsigned char __pad1;
   unsigned char __pad2;
   unsigned char __pad3;
+#if (defined(__GNUC__) && __GNUC__ >= 3)
   unsigned char __data[];
+#else
+  unsigned char __data[0];
+#endif
 };
 
 struct iphdr {
