cocci: apply the "refs.h" part of "the_repository.pending"

Apply the part of "the_repository.pending.cocci" pertaining to
"refs.h".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/merge.c b/builtin/merge.c
index 197e152..6966654 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -517,7 +517,8 @@ static void merge_name(const char *remote, struct strbuf *msg)
 	if (!remote_head)
 		die(_("'%s' does not point to a commit"), remote);
 
-	if (dwim_ref(remote, strlen(remote), &branch_head, &found_ref, 0) > 0) {
+	if (repo_dwim_ref(the_repository, remote, strlen(remote), &branch_head,
+			  &found_ref, 0) > 0) {
 		if (starts_with(found_ref, "refs/heads/")) {
 			strbuf_addf(msg, "%s\t\tbranch '%s' of .\n",
 				    oid_to_hex(&branch_head), remote);