utils/shfmt.sh: refactor function `align_multiline_if_condition`
utils/shfmt.sh: refactor function `align_multiline_if_condition`

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