blame: use built-in xdiff
authorJunio C Hamano <junkio@cox.net>
Wed, 5 Apr 2006 19:23:29 +0000 (12:23 -0700)
committerJunio C Hamano <junkio@cox.net>
Wed, 5 Apr 2006 21:25:25 +0000 (14:25 -0700)
commitf2f880f53707f83244c4659b6440224137aa0efa
treec5600100faa7a564201ef8f535f245827738fcf0
parentc1e335a43fb4c2f422b4d78693b2344114209632
blame: use built-in xdiff

This removes the last use of external diff from core git suite.
Also addresses the use of index() -- elsewhere we tend to use
strchr().

Signed-off-by: Junio C Hamano <junkio@cox.net>
blame.c