macros: Keep the ability for ascii_case_insensitive_phf_map to reference custom types

Author: emilio

src/macros.rs

@@ -94,6 +94,8 @@ macro_rules! ascii_case_insensitive_phf_map {
     };
     ($name: ident -> $ValueType: ty = { $( $key: tt => $value: expr, )+ }) => {
         mod $name {
+            #[allow(unused_imports)]
+            use super::*;
             use $crate::_cssparser_internal_phf as phf;
             $crate::_cssparser_internal_max_len! {
                 $( $key )+