REGTEST: http-rules: test spaces in ACLs

This reg-test tests the spaces in an ACL file, it tries to add new
entries with spaces from the CLI

This reg-test could backported in all stable branches if the fix for
spaces on the CLI was backported.
diff --git a/reg-tests/http-rules/agents.acl b/reg-tests/http-rules/agents.acl
new file mode 100644
index 0000000..345e6ae
--- /dev/null
+++ b/reg-tests/http-rules/agents.acl
@@ -0,0 +1 @@
+Test