bzip2.recipe: also fix the link with the SONAME suffix on linux
bzip2.recipe: also fix the link with the SONAME suffix on linux

https://bugzilla.gnome.org/show_bug.cgi?id=779007

centricular/cerbero,fluendo/cerbero,fluendo/cerbero,GStreamer/cerbero,fluendo/cerbero,nirbheek/cerbero,centricular/cerbero,GStreamer/cerbero,centricular/cerbero,atsushieno/cerbero,atsushieno/cerbero,fluendo/cerbero,fluendo/cerbero,centricular/cerbero,atsushieno/cerbero,GStreamer/cerbero,centricular/cerbero,atsushieno/cerbero,nirbheek/cerbero,nirbheek/cerbero,nirbheek/cerbero,GStreamer/cerbero,GStreamer/cerbero,atsushieno/cerbero