kmx git

tests/resources/blametest.git/objects/83/6bc00b06cb60eb0f629e237ad2b58adb2cfc7e

Author	Commit	Date	CI	Message
	62d59467	2020-03-08T02:13:11		Fix segfault when calling git_blame_buffer() This change makes sure that the hunk is not null before trying to dereference it. This avoids segfaults, especially when blaming against a modified buffer (i.e. the index). Fixes: #5443