Changelog for libopennet-devel-0.9.9-lp156.4.1.x86_64.rpm :

* Mon Dec 12 2011 borisAATTsteki.net- added pkg-config support- fixed missing soname
* Mon Dec 12 2011 andreas.stiegerAATTgmx.de- reformat spec file- add .changes file- fix build for 11.3 up