fix ifdef

assets/shaders/show_prepass.wgsl

@@ -16,28 +16,28 @@ var show_prepass_sampler: sampler;
 @fragment
 fn fragment(
     @builtin(position) frag_coord: vec4<f32>,
-    #ifndef WEBGL
+#ifndef WEBGL
     @builtin(sample_index) sample_index: u32,
-    #endif// WEBGL
+#endif // WEBGL
     #import bevy_pbr::mesh_vertex_output
 ) -> @location(0) vec4<f32> {
     if settings.show_depth == 1.0 {
-        #ifdef WEBGL
+#ifdef WEBGL
         // prepass_depth() uses textureLoad which doesn't work in WebGL for depth textures.
         // Instead we need to use a sampler
         let dims = textureDimensions(depth_prepass_texture);
         let uv = frag_coord.xy / vec2<f32>(dims);
         let depth = textureSample(depth_prepass_texture, show_prepass_sampler, uv);
-        #else
+#else
         let depth = prepass_depth(frag_coord, sample_index);
-        #endif // WEBGL
+#endif // WEBGL
         return vec4(depth, depth, depth, 1.0);
     } else if settings.show_normals == 1.0 {
-        #ifdef WEBGL
+#ifdef WEBGL
         let normal = prepass_normal(frag_coord, 0u);
-        #else // WEBGL
+#else // WEBGL
         let normal = prepass_normal(frag_coord, sample_index);
-        #endif // WEBGL
+#endif // WEBGL
         return vec4(normal, 1.0);
     }