Fix 'lesspipe' for ri.
Fix 'lesspipe' for ri.

caporta/pry,jasonm23/pry,tdg5/pry,gfvcastro/pry,caporta/pry,josue804/debunker,icebreaker/pry,nju520/pry,scalixte-mdsol/pry,scalixte-mdsol/pry,scalixte-mdsol/pry,gfvcastro/pry,tdg5/pry,ngpestelos/pry,caporta/pry,sferik/pry,ooohiroyukiooo/pry,raeno/pry,jasonm23/pry,pvdb/pry,85x14/pry,sferik/pry,raeno/pry,ooohiroyukiooo/pry,printercu/pry,tdg5/pry,nju520/pry,geoffreylitt/pry,jasnow/pry,jasonm23/pry,icebreaker/pry,ngpestelos/pry,85x14/pry,ooohiroyukiooo/pry,bronzdoc/pry,raeno/pry,jasnow/pry,85x14/pry,shockone/pry,nju520/pry,bronzdoc/pry,richo/pry,shockone/pry,sideci-sample/sideci-sample-pry,printercu/pry,deivid-rodriguez/pry,geoffreylitt/pry,josue804/debunker,pvdb/pry,shockone/pry,jasnow/pry