[PATCH v3 02/53] Clean up outstanding object_id transforms.

["brian m. carlson" <sandals@crustytoothpaste.net>]

The semantic patch for standard object_id transforms found two
outstanding places where we could make a transformation automatically.
Apply these changes.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
---
 builtin/diff.c | 2 +-
 reflog-walk.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/builtin/diff.c b/builtin/diff.c
index d184aafab..a25b4e4ae 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -408,7 +408,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
 		} else if (obj->type == OBJ_BLOB) {
 			if (2 <= blobs)
 				die(_("more than two blobs given: '%s'"), name);
-			hashcpy(blob[blobs].oid.hash, obj->oid.hash);
+			oidcpy(&blob[blobs].oid, &obj->oid);
 			blob[blobs].name = name;
 			blob[blobs].mode = entry->mode;
 			blobs++;
diff --git a/reflog-walk.c b/reflog-walk.c
index 99679f582..c8fdf051d 100644
--- a/reflog-walk.c
+++ b/reflog-walk.c
@@ -241,7 +241,7 @@ void fake_reflog_parent(struct reflog_walk_info *info, struct commit *commit)
 		logobj = parse_object(reflog->ooid.hash);
 	} while (commit_reflog->recno && (logobj && logobj->type != OBJ_COMMIT));
 
-	if (!logobj && commit_reflog->recno >= 0 && is_null_sha1(reflog->ooid.hash)) {
+	if (!logobj && commit_reflog->recno >= 0 && is_null_oid(&reflog->ooid)) {
 		/* a root commit, but there are still more entries to show */
 		reflog = &commit_reflog->reflogs->items[commit_reflog->recno];
 		logobj = parse_object(reflog->noid.hash);