Clean-up lock-ref implementation

This drops "mustexist" parameter lock_ref_sha1() and lock_any_ref_forupdate()
functions take.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/fetch.c b/fetch.c
index a2cbdfba82..c426c04997 100644
--- a/fetch.c
+++ b/fetch.c
@@ -266,7 +266,7 @@ int pull(int targets, char **target, const char **write_ref,
 		if (!write_ref || !write_ref[i])
 			continue;
 
-		lock[i] = lock_ref_sha1(write_ref[i], NULL, 0);
+		lock[i] = lock_ref_sha1(write_ref[i], NULL);
 		if (!lock[i]) {
 			error("Can't lock ref %s", write_ref[i]);
 			goto unlock_and_fail;