Integrate sys.path with Virtualbox modules locations

Index: vboxgtk-0.5.0/bin/vboxgtk
===================================================================
--- vboxgtk-0.5.0.orig/bin/vboxgtk	2009-08-16 00:12:47.000000000 +0200
+++ vboxgtk-0.5.0/bin/vboxgtk	2009-08-16 00:12:45.000000000 +0200
@@ -49,7 +49,9 @@
                     break
     else:
         dir_list = ('/usr/lib/virtualbox-ose',
-                    '/opt/VirtualBox')
+                    '/opt/VirtualBox',
+                    '/usr/lib/virtualbox',
+                    '/usr/lib/virtualbox/sdk/bindings/xpcom/python')
         for d in dir_list:
             if os.path.isdir(d):
                 vbox_install_path = d