cmake MPEG2 examples

InsightSoftwareConsortium/ITK Modules/ThirdParty/VNL/src/vxl/config/cmake/Modules/FindMPEG2.cmake :19 

find_package( MPEG2 QUIET )

vxl/vxl config/cmake/Modules/FindMPEG2.cmake :19 

find_package( MPEG2 QUIET )