Fixed flush bug with openGL
Fixed flush bug with openGL

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