Merge pull request #20116 from alalek:highgui_backends
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Wed, 26 May 2021 08:32:14 +0000 (08:32 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Wed, 26 May 2021 08:32:14 +0000 (08:32 +0000)

Trivial merge