Patch is from https://github.com/opencv/opencv/pull/6009. Upstream doesn't seem particularly enthusiastic about a 3.1.x point release, so who knows when this fix would otherwise see the light of day.
Patch is from https://github.com/opencv/opencv/pull/6009. Upstream doesn't seem particularly enthusiastic about a 3.1.x point release, so who knows when this fix would otherwise see the light of day.