message: ci/azure: include openssl in build
diff: cinst opencv --version 3.4.1
  +cinst openssl
  +
  +cd C:\tools
  +tree
  #cinst openssl
  #cd C:\tools\opencv
  #tree
  -mkdir build
  -cd build
  -cmake -DCMAKE_PREFIX_PATH="../deps_installed/glog;../deps_installed/protobuf;../deps_installed/websockets" -DOpenCV_DIR="C:\tools\opencv\build\x64\vc15\lib" ..
  -cmake --build . --target install --config Release -j 4
  +//mkdir build
  +//cd build
  +//cmake -DCMAKE_PREFIX_PATH="../deps_installed/glog;../deps_installed/protobuf;../deps_installed/websockets" -DOpenCV_DIR="C:\tools\opencv\build\x64\vc15\lib" ..
  +//cmake --build . --target install --config Release -j 4
  