REGTEST: Missing REQUIRE_VERSION declarations.

checks/s00001.vtc needs support for "srvrecord" which came with 1.8 version.
peers/s_basic_sync.vtc and s_tls_basic_sync.vtc need support for "server"
keyword usage in "peers" section which came with 2.0 version.
diff --git a/reg-tests/peers/s_tls_basic_sync.vtc b/reg-tests/peers/s_tls_basic_sync.vtc
index 6710d31..41e874b 100644
--- a/reg-tests/peers/s_tls_basic_sync.vtc
+++ b/reg-tests/peers/s_tls_basic_sync.vtc
@@ -1,5 +1,6 @@
 vtest "Basic test for peers protocol over SSL/TLS"
 #REQUIRE_OPTIONS=OPENSSL
+#REQUIRE_VERSION=2.0
 feature ignore_unknown_macro
 
 haproxy h1 -arg "-L A" -conf {