change STDERR to $stderr to conform to the rest of Rake usage.
change STDERR to $stderr to conform to the rest of Rake usage.

bentley/rake,esasse/rake,envato/rake,hsbt/rake,ruby/rake,ipmobiletech/rake,88rabbit/rake,utilum/rake,askl56/rake,codedogfish/rake,ruby/rake,pjump/rake,hsbt/rake,taiganakagawa/rake,envato/rake,tmornini/rake,zzak/rake,Vanzct/rake,jaustinhughey/rake