ipsec-tools: compile with openssl 1.1, compile fix (#6141)

Added compatibility with openssl 1.1, and also fixed a compiler
warning about implicit declaration.

Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>

net/ipsec-tools/Makefile

@@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=ipsec-tools
 PKG_VERSION:=0.8.2
-PKG_RELEASE:=7
+PKG_RELEASE:=8
 PKG_MAINTAINER:=Noah Meyerhans <frodo@morgul.net>, \
 	Vitaly Protsko <villy@sft.ru>
 PKG_LICENSE := BSD-3-Clause

net/ipsec-tools/patches/012-fix-implicit-int.patch

@@ -0,0 +1,11 @@
+--- a/src/racoon/isakmp_xauth.c
++++ b/src/racoon/isakmp_xauth.c
+@@ -376,6 +376,7 @@ xauth_reply(iph1, port, id, res)
+ 	struct ph1handle *iph1;
+ 	int port;
+ 	int id;
++	int res;
+ {
+ 	struct xauth_state *xst = &iph1->mode_cfg->xauth;
+ 	char *usr = xst->authdata.generic.usr;
+