make changes file pass lintchanges

changes/bug25399

@@ -1,3 +1,5 @@
   o Minor bugfixes (portability):
     - Do not align mmap length, as it is not required by POSIX, and the
-      getpagesize function is deprecated. Fixes bug 25399.
+      getpagesize function is deprecated. Fixes bug 25399; bugfix on
+      0.1.1.23.
+