fix Array.splice leaving properties that should have been spliced
fix Array.splice leaving properties that should have been spliced

It took me 3 full days to find this. Either I suck, the buggy file did or our
tools do.

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