Used correct binary name for sha256ing in homebrew update
Used correct binary name for sha256ing in homebrew update

jszroberto/spruce,HeavyWombat/spruce,geofffranks/spruce,geofffranks/spruce,thomasmmitchell/spruce,HeavyWombat/spruce,thomasmmitchell/spruce,HeavyWombat/spruce,jszroberto/spruce,thomasmmitchell/spruce,geofffranks/spruce,jszroberto/spruce