Issue #28768: Fix implicit declaration of function _setmode. Patch by Masayuki Yamamoto
diff --git a/Misc/ACKS b/Misc/ACKS
index 223b3a8..647d59d 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1548,6 +1548,7 @@
 Florent Xicluna
 Alakshendra Yadav
 Hirokazu Yamamoto
+Masayuki Yamamoto
 Ka-Ping Yee
 Jason Yeo
 EungJun Yi
@@ -1574,4 +1575,4 @@
 Jelle Zijlstra
 Gennadiy Zlobin
 Peter Åstrand
-Dhushyanth Ramasamy
\ No newline at end of file
+Dhushyanth Ramasamy