nsf_init -> gstnsf_init to prevent symbol conflict with security/nss

$OpenBSD: patch-gst_nsf_gstnsf_c,v 1.1 2008/11/27 12:34:01 ajacoutot Exp $
--- gst/nsf/gstnsf.c.orig	Thu Nov 27 13:08:28 2008
+++ gst/nsf/gstnsf.c	Thu Nov 27 13:09:10 2008
@@ -174,7 +174,7 @@ gst_nsfdec_class_init (GstNsfDec * klass)
   GST_DEBUG_CATEGORY_INIT (nsfdec_debug, "nsfdec", 0,
       "NES sound file (nsf) decoder");
 
-  nsf_init ();
+  gstnsf_init ();
 }
 
 static void
