[PATCH] (patchlet) pack-objects.c: try_delta()

Return value of try_delta is checked for negativeness, but the
success path does not return anything, letting compiler warn and
presumably return garbage.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

pack-objects.c

@@ -321,6 +321,7 @@ static int try_delta(struct unpacked *cur, struct unpacked *old)
 		}
 	}
 	free(delta_buf);
+	return 0;
 }
 
 static void find_deltas(struct object_entry **list, int window)