don't mark addProperty()'d variables as constant when they have no set function
don't mark addProperty()'d variables as constant when they have no set function

freedesktop-unofficial-mirror/swfdec__swfdec,mltframework/swfdec,mltframework/swfdec,freedesktop-unofficial-mirror/swfdec__swfdec,freedesktop-unofficial-mirror/swfdec__swfdec