Update the internal patches to work...

...now that the Mac OS X functionality has been merged upstream via <http://bazaar.launchpad.net/~kicad-testing-committers/kicad/testing/revision/4562> and potentially <http://bazaar.launchpad.net/~kicad-testing-committers/kicad/testing/revision/4568>.

I had to recreate the remainder of the patch from <https://github.com/shaneburrell/homebrew-kicad/commit/2ffec666d018921aa8b4934ff8d0848cf82aa8b0>.

I don't have Mavericks to test with but this change at least means the patch applies cleanly.