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

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

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/http-push.c b/http-push.c
index ceab00b..45d5cc0 100644
--- a/http-push.c
+++ b/http-push.c
@@ -1331,7 +1331,8 @@ static int get_delta(struct rev_info *revs, struct remote_lock *lock)
 	int count = 0;
 
 	while ((commit = get_revision(revs)) != NULL) {
-		p = process_tree(get_commit_tree(commit), p);
+		p = process_tree(repo_get_commit_tree(the_repository, commit),
+				 p);
 		commit->object.flags |= LOCAL;
 		if (!(commit->object.flags & UNINTERESTING))
 			count += add_send_request(&commit->object, lock);