net/ipsec-tools: Update configure.ac to force HAVE_POLICY_FWD=true, which is

appropriate on Linux but not properly detected in the openwrt build currently.

Signed-off-by: Noah Meyerhans <noahm@debian.org>

net/ipsec-tools/patches/force_HAVE_POLICY_FWD

+diff --git a/configure.ac b/configure.ac
+index 8506245..eca8895 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -724,7 +724,8 @@ case $host in
+ 			],
+ 			[AC_MSG_RESULT(yes)
+ 			 AC_DEFINE([HAVE_POLICY_FWD], [], [Have forward policy])],
+-			[AC_MSG_RESULT(no)])
++			[AC_MSG_RESULT(forced)
++			 AC_DEFINE([HAVE_POLICY_FWD], [], [Have forward policy])])
+ 		;;
+ 	*)
+ 		AC_MSG_RESULT(no)