Homebrew-on-Linux.md: update minimal requirements
Homebrew-on-Linux.md: update minimal requirements

These are needed to build patchelf 0.10 with debian wheezy.

MikeMcQuaid/brew,JCount/brew,sjackman/homebrew,claui/brew,reitermarkus/brew,EricFromCanada/brew,EricFromCanada/brew,vitorgalvao/brew,sjackman/homebrew,nandub/brew,EricFromCanada/brew,konqui/brew,claui/brew,JCount/brew,nandub/brew,claui/brew,vitorgalvao/brew,reitermarkus/brew,mahori/brew,vitorgalvao/brew,nandub/brew,EricFromCanada/brew,konqui/brew,sjackman/homebrew,JCount/brew,reitermarkus/brew,mahori/brew,reitermarkus/brew,konqui/brew,nandub/brew,mahori/brew,Homebrew/brew,MikeMcQuaid/brew,JCount/brew,MikeMcQuaid/brew,vitorgalvao/brew,Homebrew/brew,MikeMcQuaid/brew,sjackman/homebrew,claui/brew,mahori/brew,konqui/brew,Homebrew/brew,Homebrew/brew