Issue #4885: Add weakref support to mmap objects.  Patch by Valerie Lambert.
diff --git a/Misc/ACKS b/Misc/ACKS
index 69b1074..6d7fcfc 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -701,6 +701,7 @@
 Cameron Laird
 David Lam
 Thomas Lamb
+Valerie Lambert
 Jean-Baptiste "Jiba" Lamy
 Ronan Lamy
 Torsten Landschoff