Issue #28000: Fix gethostbyname_r() usage on AIX with _LINUX_SOURCE_COMPAT

Patch by Matthieu S.
diff --git a/Misc/ACKS b/Misc/ACKS
index 0a4e02e..69dc9f5 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1290,6 +1290,7 @@
 Chris Ryland
 Bernt Røskar Brenna
 Constantina S.
+Matthieu S
 Patrick Sabin
 Sébastien Sablé
 Suman Saha