[PATCH] Performance fix for pickaxe.
[PATCH] Performance fix for pickaxe.

The pickaxe was expanding the blobs and searching in them even
when it should have already known that both sides are the same.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@osdl.org>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git