Fix UnicodeWarning (youtube-dl) Error
Fix UnicodeWarning (youtube-dl) Error

https://github.com/rg3/youtube-dl/commit/d26e981df46ace75bc2e9d2bbd9bd210388b5dd9

Sofronio/youtube-dl-gui,ukazap/youtube-dl-gui,ukazap/youtube-dl-gui,pr0d1r2/youtube-dl-gui,MrS0m30n3/youtube-dl-gui,pr0d1r2/youtube-dl-gui,dstftw/youtube-dl-gui,Sofronio/youtube-dl-gui,dstftw/youtube-dl-gui,MrS0m30n3/youtube-dl-gui