message: ci/azure: fix windows paths
diff: -#cd deps_installed
  -#tree
  -#cd ..
  -#
  -#mkdir build
  -#cd build
  -#cmake -DCMAKE_PREFIX_PATH="../deps_installed/glog;../deps_installed/protobuf;../deps_installed/websockets;../deps_installed/opencv/build" -DOpenCV_DIR="../deps_installed/opencv/build/x64/vc15/lib" -DOpenCV_INCLUDE_DIR="../deps_installed/opencv/build/include" -DOPENSSL_INCLUDE_DIRS="../deps_installed/OpenSSL-Win64/include" ..
  -#cmake --build . --target install --config Release -j 4
  +#install OpenCV
  +cinst opencv --version 3.4.1
  +
  +#build sdk
  +mkdir build
  +cd build
  +cmake -DCMAKE_PREFIX_PATH="../deps_installed/glog;../deps_installed/protobuf;../deps_installed/websockets;..\deps_installed\OpenSSL-Win64" -DOpenCV_DIR="C:/tools/opencv/build/x64/vc15/lib" -DOPENSSL_INCLUDE_DIRS="..\deps_installed\OpenSSL-Win64\include" ..
  +cmake --build . --target install --config Release -j 4
  