fixed crash with self-destructing composite textures events
fixed crash with self-destructing composite textures events

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