Homebrew/homebrew — pull request #28050 by aktau (2014-04-01 21:04:06+00:00)
Title: vim: use true as found in $PATH, not absolute

This change makes us able to compile vim on both linux (linuxbrew) and OSX.

The specific case here is that debian has the true binary in /bin
instead of /usr/bin like OSX. Debian is more correct here according to the
FHS:

http://www.pathname.com/fhs/2.2/fhs-3.4.html