Merge pull request #20330 from Wovchena:fix-arg-for-calcHist-in-demos
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Wed, 30 Jun 2021 14:59:22 +0000 (14:59 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Wed, 30 Jun 2021 14:59:22 +0000 (14:59 +0000)

Trivial merge