diff --git a/auxil/libunistd b/auxil/libunistd
index 7555c4708e..2c290dc3c7 160000
--- a/auxil/libunistd
+++ b/auxil/libunistd
@@ -1 +1 @@
-Subproject commit 7555c4708e7e7bc408cd129215682acdd839c840
+Subproject commit 2c290dc3c7c9c706b5c0abbe06158bfb8a2721fe