Commit 93de20b8d282e3747f4d28a6daaa792ce7128cc6

Edward Thomson 2016-06-01T14:56:27

index_read_index: reset error correctly Clear any error state upon each iteration. If one of the iterations ends (with an error of `GIT_ITEROVER`) we need to reset that error to 0, lest we stop the whole process prematurely.