message: Update tuto-14-wall.md
  Updated some code fragments to fit to the original source code
diff: @@ -36,7 +36,7 @@ target.draw(&shape, glium::index::NoIndices(glium::index::PrimitiveType::Triangl
  The rest of the code is mostly the same as before. You should know by now how to draw something!
  -![What is looks like after step 1](tuto-14-step1.png)
  +![What it looks like after step 1](tuto-14-step1.png)
  ## Applying a texture
  @@ -53,7 +53,7 @@ Loading the texture is done like we have already done before:
  let image = image::load(Cursor::new(&include_bytes!("../book/tuto-14-diffuse.jpg")[..]),
  image::JPEG).unwrap().to_rgba();
  let image_dimensions = image.dimensions();
  -let image = glium::texture::RawImage2d::from_raw_rgba_reversed(image.into_raw(), image_dimensions);
  +let image = glium::texture::RawImage2d::from_raw_rgba_reversed(&image.into_raw(), image_dimensions);
  let diffuse_texture = glium::texture::SrgbTexture2d::new(&display, image).unwrap();
  ```
  @@ -98,7 +98,7 @@ With this:
  ```glsl
  vec3 diffuse_color = texture(diffuse_tex, v_tex_coords).rgb;
  -vec3 ambient_color = diffuse_color * 0.2;
  +vec3 ambient_color = diffuse_color * 0.1;
  ```
  And we should get a textured wall!
  @@ -135,7 +135,9 @@ Let's start with the beginning. We load the normal map into a texture:
  ```rust
  let image = image::load(Cursor::new(&include_bytes!("../book/tuto-14-normal.png")[..]),
  - image::PNG).unwrap();
  + image::PNG).unwrap().to_rgba();
  +let image_dimensions = image.dimensions();
  +let image = glium::texture::RawImage2d::from_raw_rgba_reversed(&image.into_raw(), image_dimensions);
  let normal_map = glium::texture::Texture2d::new(&display, image).unwrap();
  ```
  