D11920: Fix soversion of libkopete_oscar and libkopete_videodevice

[Christoph Feck]

cfeck accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R434 Kopete

REVISION DETAIL
  https://phabricator.kde.org/D11920

To: arojas, #kopete, pali, cfeck
Cc: himanshuvishwakarma, cochise