formula_installer: avoid cyclic dependency
formula_installer: avoid cyclic dependency

Fixes:
==> Installing patchelf dependency: patchelf
==> Installing dependencies for patchelf: patchelf
==> Installing patchelf dependency: patchelf
==> Installing dependencies for patchelf: patchelf
==> Installing patchelf dependency: patchelf
==> Installing dependencies for patchelf: patchelf
...

sjackman/homebrew,MikeMcQuaid/brew,konqui/brew,claui/brew,maxim-belkin/brew,MikeMcQuaid/brew,mahori/brew,Homebrew/brew,JCount/brew,MikeMcQuaid/brew,Linuxbrew/brew,konqui/brew,reitermarkus/brew,DomT4/brew,Homebrew/brew,mahori/brew,JCount/brew,reitermarkus/brew,EricFromCanada/brew,vitorgalvao/brew,sjackman/homebrew,Homebrew/brew,konqui/brew,Linuxbrew/brew,mahori/brew,sjackman/homebrew,konqui/brew,maxim-belkin/brew,nandub/brew,DomT4/brew,maxim-belkin/brew,claui/brew,DomT4/brew,nandub/brew,reitermarkus/brew,Homebrew/brew,MikeMcQuaid/brew,vitorgalvao/brew,JCount/brew,sjackman/homebrew,vitorgalvao/brew,claui/brew,vitorgalvao/brew,EricFromCanada/brew,EricFromCanada/brew,mahori/brew,DomT4/brew,JCount/brew,EricFromCanada/brew,Linuxbrew/brew,claui/brew,nandub/brew,Linuxbrew/brew,reitermarkus/brew,nandub/brew