rb_ensure now free from ANYARGS

After 5e86b005c0f2ef30df2f9906c7e2f3abefe286a2, I now think ANYARGS is
dangerous and should be extinct.  This commit deletes ANYARGS from
rb_ensure, which also revealed many arity / type mismatches.

1 files changed, 4 insertions, 2 deletions

diff --git a/dir.c b/dir.c
index 18c10f2139..bfd085e16c 100644
--- a/dir.c
+++ b/dir.c
@@ -1010,8 +1010,9 @@ struct chdir_data {
 };
 
 static VALUE
-chdir_yield(struct chdir_data *args)
+chdir_yield(VALUE v)
 {
+    struct chdir_data *args = (void *)v;
     dir_chdir(args->new_path);
     args->done = TRUE;
     chdir_blocking++;
@@ -1021,8 +1022,9 @@ chdir_yield(struct chdir_data *args)
 }
 
 static VALUE
-chdir_restore(struct chdir_data *args)
+chdir_restore(VALUE v)
 {
+    struct chdir_data *args = (void *)v;
     if (args->done) {
 	chdir_blocking--;
 	if (chdir_blocking == 0)