mxcl/homebrew — pull request #12690 by 2bits (2012-06-09 11:11:20+00:00)
Title: arping 2.11 and remove patch

Upgrade arping to version 2.11.
Remove the patch that's not needed anymore due to changes upstream.
Tested on Lion using clang and llvm-gcc, then pinging my router
by ip address.