Issue #12641: Avoid passing "-mno-cygwin" to the mingw32 compiler, except when necessary.
Patch by Oscar Benjamin.
diff --git a/Misc/ACKS b/Misc/ACKS
index b5ebf06..63c126c 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -101,6 +101,7 @@
 Alexander “Саша” Belopolsky
 Eli Bendersky
 David Benjamin
+Oscar Benjamin
 Andrew Bennetts
 Andy Bensky
 Bennett Benson