Another msvc changes entry

changes/msvc

@@ -2,3 +2,5 @@
     - Correctly define HAVE_EVENT_BASE_LOOPEXIT, since we only build
       with MSVC when using Libevent 2.0 or later. Fixes bug 7308.
       Reported by "ultramage".
+    - Make the ntor and curve25519 code build correctly with MSVC.
+      Fix on 0.2.4.8-alpha.