Fixed crash while DASH-ing when no context is set
Fixed crash while DASH-ing when no context is set


git-svn-id: ab66a9de07fa9d47c5829c82992f5279466c775f@3265 63c20433-aa62-49bd-875c-5a186b69a8fb

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