Fix new digest parser shutdown code when digest auth not configured

diff --git a/src/auth/digest/auth_digest.cc b/src/auth/digest/auth_digest.cc
index a33d90c23efef04391c52d5193835aedf6775763..d4dc4064d26041f0c2d6c5bd738c0649e38e5d12 100644 (file)
--- a/src/auth/digest/auth_digest.cc
+++ b/src/auth/digest/auth_digest.cc
@@ -532,8 +532,10 @@ digestScheme::done()
     if (digestauthenticators)
         helperShutdown(digestauthenticators);
 
-    httpHeaderDestroyFieldsInfo(DigestFieldsInfo, DIGEST_ENUM_END);
-    DigestFieldsInfo = NULL;
+    if (DigestFieldsInfo) {
+       httpHeaderDestroyFieldsInfo(DigestFieldsInfo, DIGEST_ENUM_END);
+       DigestFieldsInfo = NULL;
+    }
 
     authdigest_initialised = 0;