Merge pull request #15945 from alalek:dnn_ie_extension_handling
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Tue, 19 Nov 2019 14:25:12 +0000 (14:25 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Tue, 19 Nov 2019 14:25:12 +0000 (14:25 +0000)

Trivial merge