bug 1189 1212 v1

Continuation of https://github.com/inliniac/suricata/pull/992.

Suppress a error message.

Prscript:
- PR build: https://buildbot.suricata-ids.org/builders/inliniac/builds/330
- PR pcaps: https://buildbot.suricata-ids.org/builders/inliniac-pcap/builds/245