pidgin: 49f43a7a: Fix another vvconfig crash. Fixes #1329...

[rekkanoryo at pidgin.im]

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Revision: 49f43a7a76fe68d77402d22dcf9dfc19e5989467
Parent:   075c2902b90abb6349a6b689e26fa0ecf720ca04
Author:   pat at erley.org
Date:     04/30/11 12:24:14
Branch:   im.pidgin.pidgin
URL: http://d.pidgin.im/viewmtn/revision/info/49f43a7a76fe68d77402d22dcf9dfc19e5989467

Changelog: 

Fix another vvconfig crash.  Fixes #13290, #13774.

Changes against parent 075c2902b90abb6349a6b689e26fa0ecf720ca04

  patched  pidgin/plugins/vvconfig.c

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--- pidgin/plugins/vvconfig.c	cf4a6f996cd8e75db00f2e14c81d72408654f315
+++ pidgin/plugins/vvconfig.c	c999755a277af791f4d9723c84794eb16b52be57
@@ -90,7 +90,17 @@ get_element_devices(const gchar *element
 	}
 
 	element = gst_element_factory_make(element_name, "test");
+	if(!element) {
+		purple_debug_info("vvconfig", "'%s' - unable to find element\n", element_name);
+		return g_list_reverse(ret);
+	}
+
 	klass = G_OBJECT_GET_CLASS (element);
+	if(!klass) {
+		purple_debug_info("vvconfig", "'%s' - unable to find G_Object Class\n", element_name);
+		return g_list_reverse(ret);
+	}
+
 	if (!g_object_class_find_property(klass, "device") ||
 			!GST_IS_PROPERTY_PROBE(element) ||
 			!(probe = GST_PROPERTY_PROBE(element)) ||