[glutils] Fix destructors

src/glutils/glutils.hpp

@@ -17,7 +17,9 @@ namespace glutils {
 
 constexpr ox::StringView GlslVersion = "#version 330";
 
-struct Empty {};
+struct Empty {
+	virtual ~Empty() noexcept = default;
+};
 
 struct TextureBase {
 
@@ -41,6 +43,8 @@ struct TextureBase {
 		return *this;
 	}
 
+	virtual ~TextureBase() noexcept = default;
+
 };
 
 
@@ -60,7 +64,7 @@ struct GLObject: public Base {
 		o.id = 0;
 	}
 
-	~GLObject() noexcept {
+	~GLObject() noexcept override {
 		del(id);
 	}