Merge pull request #9058 from alalek:dnn_minor_fixes
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 14 Jul 2017 09:53:09 +0000 (09:53 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 14 Jul 2017 09:53:09 +0000 (09:53 +0000)

Trivial merge