Fix comment

Author: GuillaumeGomez

clippy_lints/src/transmute/missing_transmute_annotations.rs

@@ -65,7 +65,7 @@ pub(super) fn check<'tcx>(
     if let Some(local) = get_parent_local_binding_ty(cx, expr_hir_id) {
         // ... which does have type annotations.
         if let Some(ty) = local.ty
-            // If this is a `let x: _ =`, we shouldn't lint.
+            // If this is a `let x: _ =`, we should lint.
             && !matches!(ty.kind, TyKind::Infer)
         {
             return false;