src/tables/bat.c: Fix crash.
src/tables/bat.c: Fix crash.

The callback function requires a pointer to dvbpsi_bat_t be passed that will be freed by the receiving application.
Make sure there is a clean startup point when attaching the subdecoders,

hiroshiyui/libdvbpsi,mwgoldsmith/dvbpsi,Boxee/libdvbpsi,vlc-mirror/libdvbpsi,mkrufky/libdvbpsi,mwgoldsmith/dvbpsi,mkrufky/libdvbpsi,garbear/libdvbpsi,avble/libdvbpsi,paraeco/libdvbpsi,garbear/libdvbpsi,mwgoldsmith/dvbpsi,avble/libdvbpsi,krieger-od/libdvbpsi,Boxee/libdvbpsi,garbear/libdvbpsi,UIKit0/libdvbpsi,hiroshiyui/libdvbpsi,vlc-mirror/libdvbpsi,mkrufky/libdvbpsi,UIKit0/libdvbpsi,vlc-mirror/libdvbpsi,Boxee/libdvbpsi,hiroshiyui/libdvbpsi,UIKit0/libdvbpsi,paraeco/libdvbpsi,krieger-od/libdvbpsi,krieger-od/libdvbpsi,paraeco/libdvbpsi,paraeco/libdvbpsi,avble/libdvbpsi,mwgoldsmith/dvbpsi