Update DevKit's MSYS mintty to newer version.
Update DevKit's MSYS mintty to newer version.

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