[PATCH v2 37/42] sequencer: use the_hash_algo for empty tree object ID

["brian m. carlson" <sandals@xxxxxxxxxxxxxxxxxxxx>]

To ensure that we are hash algorithm agnostic, use the_hash_algo to look
up the object ID for the empty tree instead of using the empty_tree_oid
variable.

Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
---
 sequencer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sequencer.c b/sequencer.c
index 75ed9676fe..a487411fde 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -1120,7 +1120,7 @@ static int try_to_commit(struct strbuf *msg, const char *author,
 
 	if (!(flags & ALLOW_EMPTY) && !oidcmp(current_head ?
 					      &current_head->tree->object.oid :
-					      &empty_tree_oid, &tree)) {
+					      the_hash_algo->empty_tree, &tree)) {
 		res = 1; /* run 'git commit' to display error message */
 		goto out;
 	}