dr_42: add boundary checking
dr_42: add boundary checking

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