Fix fallout

clippy_lints/src/empty_enum.rs

@@ -1,7 +1,7 @@
 //! lint when there is an enum with no variants
 
 use crate::utils::span_lint_and_then;
-use rustc_hir::*;
+use rustc_hir::{Item, ItemKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_lint_pass, declare_tool_lint};