D12672: Use a target in FindDiscount (modern cmake) rather than variables

[Albert Astals Cid]

aacid added a comment.


  It's more lines of code than before, what's the improvement?

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D12672

To: svuorela, kde-buildsystem
Cc: aacid, #okular, ngraham