Pass pacman-key messages directly to console
Pass pacman-key messages directly to console

In Windows docker containers pacman-key sometimes hung forever and this
change seems to fix the starvation.

oneclick/rubyinstaller2,larskanis/rubyinstaller2,oneclick/rubyinstaller2,larskanis/rubyinstaller2,larskanis/rubyinstaller2,oneclick/rubyinstaller2