Issue #8844: Regular and recursive lock acquisitions can now be interrupted
by signals on platforms using pthreads.  Patch by Reid Kleckner.
diff --git a/Misc/ACKS b/Misc/ACKS
index 5dfb8da..29afd59 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -454,6 +454,7 @@
 Steve Kirsch
 Sebastian Kirsche
 Ron Klatchko
+Reid Kleckner
 Bastian Kleineidam
 Bob Kline
 Matthias Klose