Revert "stdenv: set correct compiler symbol for gcc 4.0"
Revert "stdenv: set correct compiler symbol for gcc 4.0"

This reverts commit f4dc5614953b3b90acc28c83262d56587b0616b1.

Homebrew/brew,hanxue/linuxbrew,palxex/brew,nandub/brew,zmwangx/brew,vitorgalvao/brew,sjackman/homebrew,sjackman/homebrew,reitermarkus/brew,EricFromCanada/brew,Linuxbrew/brew,mahori/brew,bfontaine/brew,pseudocody/brew,EricFromCanada/brew,claui/brew,gordonmcshane/homebrew,maxim-belkin/brew,nandub/brew,muellermartin/dist,DomT4/brew,mistydemeo/homebrew,tonyg/homebrew,gregory-nisbet/brew,staticfloat/brew,MikeMcQuaid/brew,konqui/brew,maxim-belkin/brew,Linuxbrew/brew,ilovezfs/brew,zmwangx/brew,nandub/brew,palxex/brew,Linuxbrew/brew,mahori/brew,vitorgalvao/brew,mgrimes/brew,rwhogg/brew,vitorgalvao/brew,muellermartin/dist,ilovezfs/brew,DomT4/brew,Homebrew/brew,mgrimes/brew,claui/brew,maxim-belkin/brew,JCount/brew,Homebrew/brew,gordonmcshane/homebrew,zmwangx/brew,hanxue/linuxbrew,claui/brew,aw1621107/brew,EricFromCanada/brew,sjackman/homebrew,pseudocody/brew,konqui/brew,reitermarkus/brew,jmsundar/brew,reelsense/brew,EricFromCanada/brew,ilovezfs/brew,aw1621107/brew,AnastasiaSulyagina/brew,MikeMcQuaid/brew,gregory-nisbet/brew,claui/brew,jmsundar/brew,bfontaine/brew,tonyg/homebrew,reelsense/brew,jmsundar/brew,reitermarkus/brew,hanxue/linuxbrew,AnastasiaSulyagina/brew,palxex/brew,reitermarkus/brew,MikeMcQuaid/brew,amar-laksh/brew_sudo,JCount/brew,toonetown/homebrew,muellermartin/dist,staticfloat/brew,Homebrew/brew,sjackman/homebrew,mgrimes/brew,Linuxbrew/brew,bfontaine/brew,MikeMcQuaid/brew,AnastasiaSulyagina/brew,mistydemeo/homebrew,gregory-nisbet/brew,aw1621107/brew,alyssais/brew,alyssais/brew,mistydemeo/homebrew,tonyg/homebrew,vitorgalvao/brew,alyssais/brew,rwhogg/brew,nandub/brew,gordonmcshane/homebrew,JCount/brew,DomT4/brew,konqui/brew,staticfloat/brew,pseudocody/brew,DomT4/brew,toonetown/homebrew,reelsense/brew,rwhogg/brew,mahori/brew,amar-laksh/brew_sudo,mahori/brew,amar-laksh/brew_sudo,konqui/brew,JCount/brew,toonetown/homebrew