cmake XRANDR examples

OSVR/OSVR-Core cmake/FindOVR.cmake :179 

find_package(Xrandr)

supertuxkart/stk-code lib/wiiuse/cmake/FindOVR.cmake :179 

find_package(Xrandr)

shawwn/noh cmake/FindOVR.cmake :182 

find_package(Xrandr)

JoseExposito/touchegg CMakeLists.txt :25 

find_package(XRANDR REQUIRED)

phdsky/ORBSLAM24Windows Thirdparty/Pangolin/CMakeModules/FindOculus.cmake :43 

FIND_PACKAGE(Xrandr QUIET)

ucla-vision/xivo thirdparty/Pangolin/CMakeModules/FindOculus.cmake :43 

FIND_PACKAGE(Xrandr QUIET)