$NetBSD: patch-ad,v 1.1 2010/09/10 07:31:45 taca Exp $

Use modern Ruby API.

--- ext/ming/mingc/swftext.c.orig	2008-02-24 18:03:41.000000000 +0000
+++ ext/ming/mingc/swftext.c
@@ -150,7 +150,7 @@ rb_SWFText_add_UTF8_string(int argc, VAL
   if (advance == Qnil) {
     adv = 0;
   } else {
-    len = RARRAY(advance)->len;
+    len = RARRAY_LEN(advance);
     adv = ALLOC_N(int, len);
     
     /* unefficient, but easy to implement... */