Merge pull request #13168 from alalek:cmake_dnn_warnings
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Thu, 15 Nov 2018 23:10:46 +0000 (23:10 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Thu, 15 Nov 2018 23:10:46 +0000 (23:10 +0000)

Trivial merge