tiny fix

Author: lengyijun

clippy_lints/src/borrow_deref_ref.rs

@@ -52,7 +52,7 @@ declare_clippy_lint! {
 declare_lint_pass!(BorrowDerefRef => [BORROW_DEREF_REF]);
 
 impl LateLintPass<'_> for BorrowDerefRef {
-    fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx rustc_hir::Expr<'_>) {
+    fn check_expr(&mut self, cx: &LateContext<'_>, e: &rustc_hir::Expr<'_>) {
         if_chain! {
             if !e.span.from_expansion();
             if let ExprKind::AddrOf(_, Mutability::Not, addrof_target) = e.kind;
@@ -92,7 +92,7 @@ impl LateLintPass<'_> for BorrowDerefRef {
                         // has deref trait -> give 2 help
                         // doesn't have deref trait -> give 1 help
                         if let Some(deref_trait_id) = cx.tcx.lang_items().deref_trait(){
-                            if !implements_trait(cx, inner_ty, deref_trait_id, &[]) {
+                            if !implements_trait(cx, *inner_ty, deref_trait_id, &[]) {
                                 return;
                             }
                         }