Miredo is an open-source implementation of the Teredo
transitional IPV6 tunneling package. The recipe Includes a
patch to include a usable default configuration for OS X and
fix an upstream compilation issue on OS X. The compile fix
should be unnecessary upon the next upstream release.
ClosesHomebrew/homebrew#12673.
Signed-off-by: Adam Vandenberg <flangy@gmail.com>