$NetBSD: patch-ab,v 1.1 2010/09/10 06:49:22 taca Exp $

Use modern Ruby's API.

--- imlib2.c.orig	2010-08-28 10:35:15.000000000 +0000
+++ imlib2.c
@@ -1902,7 +1902,7 @@ static VALUE image_put_data(VALUE self, 
   new_data = (DATA32*) StringValuePtr(str);
   
   /* check size of new buffer */
-  if (RSTRING(str)->len != old_size)
+  if (RSTRING_LEN(str) != old_size)
     rb_raise(rb_eArgError, "invalid buffer size");
   
   /* copy new data to old address */