One more validation fix

Parsers/ASimDns/Parsers/vimDnsNative.yaml

@@ -87,7 +87,7 @@ ParserQuery: |
         SessionId=DnsSessionId,
         Duration = DnsNetworkDuration,
         Process = SrcProcessName,
-        User = SrcUserName,
+        User = SrcUsername,
         Hostname = SrcHostname
   };
   parser (starttime, endtime, srcipaddr, domain_has_any, responsecodename, response_has_ipv4, response_has_any_prefix, eventtype, disabled)