cmake HAVE_SXV_CAMERA examples

OpenPHDGuiding/phd2 thirdparty/thirdparty.cmake :757 

add_definitions(-DHAVE_SXV_CAMERA=1)

OpenPHDGuiding/phd2 thirdparty/thirdparty.cmake :1213 

add_definitions(-DHAVE_SXV_CAMERA=1)