REGTESTS: Add missing OPENSSL to REQUIRE_OPTIONS for lua/txn_get_priv

The test uses the `ssl` keyword, add `OPENSSL` as a requirement.

Should be backported to all branches with that test.

(cherry picked from commit de5021a133e27a43da1d695876dc7fded0214293)
Signed-off-by: William Lallemand <wlallemand@haproxy.org>
(cherry picked from commit 2d46d59d463420e3f6cace76f68909d334fb42f1)
Signed-off-by: William Lallemand <wlallemand@haproxy.org>
diff --git a/reg-tests/lua/txn_get_priv.vtc b/reg-tests/lua/txn_get_priv.vtc
index 98f98f7..25fb063 100644
--- a/reg-tests/lua/txn_get_priv.vtc
+++ b/reg-tests/lua/txn_get_priv.vtc
@@ -1,5 +1,5 @@
 varnishtest "Lua: txn:get_priv() scope"
-#REQUIRE_OPTIONS=LUA
+#REQUIRE_OPTIONS=LUA,OPENSSL
 #REGTEST_TYPE=bug
 
 feature ignore_unknown_macro