D25599: Fix plugin-metadata translations on windows

[Kåre Särs]

sars added reviewers: aacid, vonreth.

REPOSITORY
  R244 KCoreAddons

REVISION DETAIL
  https://phabricator.kde.org/D25599

To: sars, aacid, vonreth
Cc: kde-frameworks-devel, LeGast00n, GB_2, sdepiets, michaelh, ngraham, bruns, 
cullmann, kfunk