fix backwards compatibility issue for flecs::Trait
@@ -100,6 +100,7 @@ static const flecs::entity_t OnStore = EcsOnStore;
static const flecs::entity_t PostFrame = EcsPostFrame;
/** Builtin roles */
+static const flecs::entity_t Trait = ECS_PAIR;
static const flecs::entity_t Pair = ECS_PAIR;
static const flecs::entity_t Switch = ECS_SWITCH;
static const flecs::entity_t Case = ECS_CASE;
