Fix bug #1051619: Check library build and tests on OpenBSD https://bugs.launchpad.net/rohc/+bug/1051619
Fix bug #1051619: Check library build and tests on OpenBSD
https://bugs.launchpad.net/rohc/+bug/1051619

OpenBSD support is now complete. I tested it on OpenBSD 5.3 (lastest OpenBSD
release). Give credits to Audric Schiltknecht for the access to his OpenBSD
system.

didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc