message: add workaround for multithreaded segfault
diff: @@ -96,7 +96,9 @@ BUILD_FLAGS="
  -D WITH_VTK=ON
  -D WITH_WEBP=ON
  -D WITH_XIMEA=OFF
  - -D WITH_XINE=OFF"
  + -D WITH_XINE=OFF
  + -D OPENCV_ENABLE_MEMALIGN=OFF
  + "
  if [[ "$OPENCV_VERSION" == "3.2.0" ]]; then
  sudo apt -y install libopencv-dev=3.2.0*
  