Fix quoting with DevKit ENV vars.
Fix quoting with DevKit ENV vars.

auyaauya/rubyinstaller,jahanzaibbahadur/rubyinstaller,suvarnaraju/rubyinstaller,jaym/rubyinstaller,jaym/rubyinstaller,vemmaverve/rubyinstaller,dreamauya/rubyinstaller,vemmaverve/rubyinstaller,auyaauya/rubyinstaller,leonhooijer/rubyinstaller,jahanzaibbahadur/rubyinstaller,dreamauya/rubyinstaller,haonaturel/rubyinstaller,jahanzaibbahadur/rubyinstaller,leonhooijer/rubyinstaller,modulexcite/rubyinstaller,zorosteven/rubyinstaller,haonaturel/rubyinstaller,Rugbyman21/rubyinstaller,jaym/rubyinstaller,vemmaverve/rubyinstaller,Rugbyman21/rubyinstaller,modulexcite/rubyinstaller,modulexcite/rubyinstaller,haonaturel/rubyinstaller,shirosaki/rubyinstaller,shirosaki/rubyinstaller,oneclick/rubyinstaller,leonhooijer/rubyinstaller,dreamauya/rubyinstaller,suvarnaraju/rubyinstaller,shirosaki/rubyinstaller,Rugbyman21/rubyinstaller,oneclick/rubyinstaller,auyaauya/rubyinstaller,zorosteven/rubyinstaller,suvarnaraju/rubyinstaller,oneclick/rubyinstaller,zorosteven/rubyinstaller