Fix build with opencv 4.2

Authored by arojas on Dec 21 2019, 1:46 PM.

Description

Fix build with opencv 4.2

Port away from old API which is removed in 4.2

Differential Revision: https://phabricator.kde.org/D26143

Details

Committed
arojasDec 21 2019, 1:46 PM
Differential Revision
D26143: Fix build with opencv 4.2
Parents
R482:506ed4ffea15: prepare 7.0.0-beta1
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