fix two warnings

Author: sylvestre

next.md

@@ -4,3 +4,5 @@ This file documents the pending improvements or regression:
 * https://github.com/uutils/coreutils/issues/5705
 * https://github.com/uutils/coreutils/pull/9016 - merged but not yet reflected in test results
 * https://github.com/uutils/coreutils/pull/9133
+* https://github.com/uutils/coreutils/pull/9189
+* https://github.com/uutils/coreutils/pull/9188