Closes Issue 11916: Add a number of MacOSX specific definitions to the errno module.

Patch by Pierre Carrier.
diff --git a/Misc/ACKS b/Misc/ACKS
index ff7bd7b..26ba8af 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -989,3 +989,4 @@
 Tarek Ziadé
 Peter Åstrand
 Torsten Becker
+Pierre Carrier
diff --git a/Misc/NEWS b/Misc/NEWS
index 637e254..e36aaa3 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -140,6 +140,9 @@
 Library
 -------
 
+- Issue 11916: Add a number of MacOSX specific definitions to the errno module.
+  Patch by Pierre Carrier.
+
 - Issue 11999: fixed sporadic sync failure mailbox.Maildir due to its trying to
   detect mtime changes by comparing to the system clock instead of to the
   previous value of the mtime.