fixed bug when playing DASH encrypted (cf #de6f8c1 and #226)
fixed bug when playing DASH encrypted (cf #de6f8c1 and #226)

nguyen-viet-thanh-trung/gpac,porcelijn/gpac,nguyen-viet-thanh-trung/gpac,Bevara/Access-open,RodolpheFouquet/gpac,porcelijn/gpac,rbouqueau/gpac,rbouqueau/gpac,rbouqueau/gpac,rbouqueau/gpac,aymanelyaagoubi/gpac,gpac/gpac,emmanouil/gpac,aymanelyaagoubi/gpac,vladimir-kazakov/gpac,rbouqueau/gpac_brew_travis,Bevara/Access-open,aymanelyaagoubi/gpac,ARSekkat/gpac,vladimir-kazakov/gpac,vladimir-kazakov/gpac,emmanouil/gpac,vladimir-kazakov/gpac,porcelijn/gpac,emmanouil/gpac,ARSekkat/gpac,rauf/gpac,Bevara/Access-open,rbouqueau/gpac_brew_travis,RodolpheFouquet/gpac,RodolpheFouquet/gpac,rauf/gpac,rauf/gpac,aymanelyaagoubi/gpac,gpac/gpac,porcelijn/gpac,gpac/gpac,emmanouil/gpac,vladimir-kazakov/gpac,rauf/gpac,RodolpheFouquet/gpac,gpac/gpac,aymanelyaagoubi/gpac,gpac/gpac,aymanelyaagoubi/gpac,ARSekkat/gpac,nguyen-viet-thanh-trung/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac_brew_travis,porcelijn/gpac,rauf/gpac,Bevara/Access-open,ARSekkat/gpac,Bevara/Access-open,rauf/gpac,gpac/gpac,emmanouil/gpac,vladimir-kazakov/gpac,ARSekkat/gpac,rbouqueau/gpac,gpac/gpac,porcelijn/gpac,ARSekkat/gpac,rbouqueau/gpac,rbouqueau/gpac_brew_travis,emmanouil/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac_brew_travis,RodolpheFouquet/gpac,rbouqueau/gpac,nguyen-viet-thanh-trung/gpac,gpac/gpac,rbouqueau/gpac,RodolpheFouquet/gpac,Bevara/Access-open,rbouqueau/gpac_brew_travis