Drawable Renderer (#1570), [pre-commit.ci] auto fixes from pre-commit.com hooks

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src/mbgl/renderer/layers/render_raster_layer.cpp

@@ -259,7 +259,7 @@ void RenderRasterLayer::update(gfx::ShaderRegistry& shaders,
 
     if (imageData && !imageData->bucket->needsUpload()) {
         // TODO: implement arbitrary image
-        //RasterBucket& bucket = *imageData->bucket;
+        // RasterBucket& bucket = *imageData->bucket;
         assert(imageData->bucket->texture);
 
         //        size_t i = 0;