Make trivial wrapper functions around delta base generation and freeing
Make trivial wrapper functions around delta base generation and freeing

This doesn't change any code, it just creates a point for where we'd
actually do the caching of delta bases that have been generated.

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

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