depthsense: add missing const.
depthsense: add missing const.

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