SF Patch #1365916, mmap fails on AMD64

Fix some 64-bit issues due to mismatch format characters w/actual data types
diff --git a/Misc/NEWS b/Misc/NEWS
index d4aaa74..8b79fb6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -197,6 +197,8 @@
 Extension Modules
 -----------------
 
+- Patch #1365916: fix some unsafe 64-bit mmap methods.
+
 - Bug #1290333: Added a workaround for cjkcodecs' _codecs_cn build
   problem on AIX.