[anjuta] language-support-js: Fix g_object_unref() of NULL object.

[Carl-Anton Ingmarsson <carlantoni src gnome org>]

commit f06d48b9e989cf3a43098f7aeb4e07767d05c618
Author: Carl-Anton Ingmarsson <ca ingmarsson gmail com>
Date:   Fri Jan 18 19:20:45 2013 +0100

    language-support-js: Fix g_object_unref() of NULL object.

 plugins/language-support-js/plugin.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)
---
diff --git a/plugins/language-support-js/plugin.c b/plugins/language-support-js/plugin.c
index 0ea97e9..653e2d2 100644
--- a/plugins/language-support-js/plugin.c
+++ b/plugins/language-support-js/plugin.c
@@ -91,11 +91,6 @@ js_support_plugin_deactivate (AnjutaPlugin *plugin)
 static void
 js_support_plugin_finalize (GObject *obj)
 {
-	JSLang *self = (JSLang*)obj;
-
-	g_object_unref (self->symbol);
-	self->symbol = NULL;
-
 	G_OBJECT_CLASS (parent_class)->finalize (obj);
 }
 
@@ -106,8 +101,7 @@ js_support_plugin_dispose (GObject *obj)
 
 	g_assert (self != NULL);
 
-	g_object_unref (self->symbol);
-	self->symbol = NULL;
+	g_clear_object (&self->symbol);
 
 	G_OBJECT_CLASS (parent_class)->dispose (obj);
 }