Bug1273 http request line v0

Fix for bug 1273 https://redmine.openinfosecfoundation.org/issues/1273

Prscript:
- PR build: https://buildbot.openinfosecfoundation.org/builders/inliniac/builds/21
- PR pcaps: https://buildbot.openinfosecfoundation.org/builders/inliniac-pcap/builds/21