magit/magit — pull request #1359 by vanicat (2014-05-03 18:11:17+00:00)
Title: magit-wip-save is failing with no such file of directory /something/index4176xhf

Apparently on my computer, magit-wip-save supose that git create the temporary index somewhere else than what git is doing, making magit-wip-save failed. This patch fix this by using an absolute file name.