Made emscripten work a bit better

src/dawnopengl/display/shader/Shader.hpp

@@ -64,7 +64,7 @@ namespace Dawn {
        */
       shaderbufferlocation_t getBufferLocationByName(std::string name);
 
-      virtual void compile() = 0;
+      virtual void compile() override = 0;
       void bind() override;
       void setParameterBuffer(shaderbufferlocation_t location, shaderbufferslot_t slot);
       void setMatrix(shaderparameter_t parameter, glm::mat4 matrix) override;