From 7901df33f901885cb206ece9155eb5c0ead43849 Mon Sep 17 00:00:00 2001
From: Charlie Brej <cbrej@cs.man.ac.uk>
Date: Thu, 25 Jun 2009 11:39:01 +0100
Subject: [PATCH] [script] Don't error on object unref of NULL

This follows the usage of free with a NULL as well as ply-image etc.
---
 src/plugins/splash/script/script-object.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/plugins/splash/script/script-object.c b/src/plugins/splash/script/script-object.c
index 59eb296e..115ad3fe 100644
--- a/src/plugins/splash/script/script-object.c
+++ b/src/plugins/splash/script/script-object.c
@@ -34,6 +34,8 @@ void script_obj_ref (script_obj* obj)
 
 void script_obj_unref (script_obj* obj)
 {
+ if (!obj) return;
+ assert(obj->refcount>0);
  obj->refcount--;
  if (obj->refcount<=0){
     script_obj_free (obj);