Stops libjpeg-turbo setting CMAKE_INSTALL_PREFIX (#115)
Stops libjpeg-turbo setting CMAKE_INSTALL_PREFIX (#115)

libjpeg-turbo has logic to detect if CMAKE_INSTALL_PREFIX has been set.
If it has not, libjpeg-turbo sets the default to /opt/k4a (on Linux).
We do not want that.
microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK