REGTESTS: exclude tests that require ssl, pcre if no such feature is enabled

Signed-off-by: Ilya Shipitsin <chipitsine@gmail.com>
diff --git a/reg-tests/ssl/b00000.vtc b/reg-tests/ssl/b00000.vtc
index 30030e3..9171c45 100644
--- a/reg-tests/ssl/b00000.vtc
+++ b/reg-tests/ssl/b00000.vtc
@@ -17,6 +17,7 @@
 
 
 varnishtest "OpenSSL bug: Random crashes"
+#REQUIRE_OPTIONS=OPENSSL
 feature ignore_unknown_macro