Fix incorrect indentation

components/script/dom/htmlfontelement.rs

@@ -66,7 +66,7 @@ impl VirtualMethods for HTMLFontElement {
     fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
         self.super_type().unwrap().attribute_mutated(attr, mutation);
         match attr.local_name() {
-                &atom!(color) => {
+            &atom!(color) => {
                 self.color.set(mutation.new_value(attr).and_then(|value| {
                     str::parse_legacy_color(&value).ok()
                 }));