packfile: remove unused member from struct pack_entry

The sha1 member in struct pack_entry is unused except for one instance
in which we store a value in it.  Since nobody ever reads this value,
don't bother to compute it and remove the member from struct pack_entry.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/cache.h b/cache.h
index 11a989319d..dd1a9c6094 100644
--- a/cache.h
+++ b/cache.h
@@ -1572,7 +1572,6 @@ struct pack_window {
 
 struct pack_entry {
 	off_t offset;
-	unsigned char sha1[20];
 	struct packed_git *p;
 };