I have 2 packages with UniverseUnmetDeps but don't know where to add

[Kristof Vansant]

http://www.ubuntulinux.org/wiki/UniverseUnmetDeps

gstreamer0.8-a52dec: Depends: liba52-0.7.4 but it is not installable
gstreamer0.8-swfdec: Depends: libswfdec0.3 but it is not installable

to which section should those be added?
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lupusBE (Kristof Vansant Belgium)