Until the package is fixed, you can fix this on your own system by running
for p in iceape iceweasel mozilla firefox xulrunner; do sudo update-alternatives --remove-all "$p-flashplugin"; sudo update-alternatives --install "/usr/lib/$p/plugins/flashplugin-alternative.so" "$p-flashplugin" /var/lib/flashplugin-nonfree/npwrapper.libflashplayer.so 50; done
Until the package is fixed, you can fix this on your own system by running
for p in iceape iceweasel mozilla firefox xulrunner; do sudo update-alternatives --remove-all "$p-flashplugin"; sudo update-alternatives --install "/usr/lib/ $p/plugins/ flashplugin- alternative. so" "$p-flashplugin" /var/lib/ flashplugin- nonfree/ npwrapper. libflashplayer. so 50; done