D20143: ora:kra: qstrcmp -> qstrncmp

[Albert Astals Cid]

aacid added subscribers: rempt, security-team.

REPOSITORY
  R287 KImageFormats

REVISION DETAIL
  https://phabricator.kde.org/D20143

To: aacid
Cc: security-team, rempt, kde-frameworks-devel, michaelh, ngraham, bruns