Revert "Changed one private member to public"

This reverts commit c132da59.

RayTracer/camera/Hit.h

@@ -18,11 +18,10 @@ class Hit {
 	float scalar() const;
 	// Attributes
 	// TODO TexelPos
-	std::shared_ptr<material::Material> material;
-
    private:
 	util::Vec3 hit, n;
 	float t;
+	std::shared_ptr<material::Material> material;
 };
 
 }  // namespace cam