Fix segfault in proxy_auth ACL parsing after rev.13810

diff --git a/src/acl/UserData.cc b/src/acl/UserData.cc
index cc7bfb38086fbf66e436a0ce0b95d6cae585d7bf..28af6dc36d6bc2eb0c54a7f621ca64dd7625783c 100644 (file)
--- a/src/acl/UserData.cc
+++ b/src/acl/UserData.cc
@@ -139,7 +139,7 @@ ACLUserData::parse()
 bool
 ACLUserData::empty() const
 {
-    return names->empty() && !flags.required;
+    return (!names || names->empty()) && !flags.required;
 }
 
 ACLData<char const *> *