Merge pull request #11703 from alalek:c_api_calib3d_chessboard_detector
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Mon, 9 Jul 2018 15:37:26 +0000 (15:37 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Mon, 9 Jul 2018 15:37:26 +0000 (15:37 +0000)

Trivial merge