shims: provide scm alias for compatibility with old update-reset script
shims: provide scm alias for compatibility with old update-reset script

A fix for the script was made in 95b0bd160fdbf00adb457a54d28b9925d2663494 but the user may be updating from an older version of brew, which won't have this fix.

JCount/brew,Homebrew/brew,MikeMcQuaid/brew,EricFromCanada/brew,nandub/brew,Homebrew/brew,MikeMcQuaid/brew,Homebrew/brew,MikeMcQuaid/brew,JCount/brew,EricFromCanada/brew,EricFromCanada/brew,nandub/brew,MikeMcQuaid/brew,JCount/brew,Homebrew/brew,nandub/brew,EricFromCanada/brew,JCount/brew,nandub/brew