Unload opengl shader program on object disposal

src/openglshader.cpp

@@ -8,6 +8,11 @@ OpenGlShaderProgram::OpenGlShaderProgram(std::string vertex_file, std::string ge
 	this->compiled = false;
 }
 
+OpenGlShaderProgram::~OpenGlShaderProgram()
+{
+	this->unload();
+}
+
 char *load_shader_program_from_file(std::string file_name)
 {
 	return NULL;