D13092: make sure paths in rcc are never derived from absolute paths

[Aleix Pol Gonzalez]

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

REPOSITORY
  R290 KPackage

BRANCH
  phab/properrccpath

REVISION DETAIL
  https://phabricator.kde.org/D13092

To: mart, #plasma, apol
Cc: apol, kde-frameworks-devel, michaelh, ngraham, bruns