Fix cmake find package for openni2 on win
Fix cmake find package for openni2 on win

arpg/Pangolin,tschmidt23/Pangolin,stevenlovegrove/Pangolin,mp3guy/Pangolin,wxdzju/Pangolin,tschmidt23/Pangolin,wxdzju/Pangolin,stevenlovegrove/Pangolin,mp3guy/Pangolin,stevenlovegrove/Pangolin,renzodenardi/Pangolin,randi120/Pangolin,renzodenardi/Pangolin,tschmidt23/Pangolin,randi120/Pangolin,visigoth/Pangolin,arpg/Pangolin,mp3guy/Pangolin,visigoth/Pangolin