Fix'ed keyframe marking in OGG
Fix'ed keyframe marking in OGG

rbouqueau/mistserver,rbouqueau/mistserver,rbouqueau/mistserver,DDVTECH/mistserver,DDVTECH/mistserver,DDVTECH/mistserver,rbouqueau/mistserver,DDVTECH/mistserver,rbouqueau/mistserver,DDVTECH/mistserver