Find vim on the path
Find vim on the path

If vim is on the path, it will be used instead of `/usr/bin/vim`.

Closes Homebrew/homebrew#29885.

Signed-off-by: Jack Nagel <43386ce32af96f5c56f2a88e458cb94cebee3751@gmail.com>

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