Use `-s` flag in `uname` call
Use `-s` flag in `uname` call

Co-authored-by: Mike McQuaid <a17fed27eaa842282862ff7c1b9c8395a26ac320@mikemcquaid.com>
MikeMcQuaid/brew,nandub/brew,nandub/brew,EricFromCanada/brew,JCount/brew,JCount/brew,MikeMcQuaid/brew,nandub/brew,MikeMcQuaid/brew,JCount/brew,MikeMcQuaid/brew,Homebrew/brew,Homebrew/brew,JCount/brew,Homebrew/brew,nandub/brew,Homebrew/brew,EricFromCanada/brew,EricFromCanada/brew,EricFromCanada/brew