Merge remote-tracking branch 'origin/maint-0.2.2'

changes/bug4521

@@ -0,0 +1,3 @@
+  o Minor bugfixes:
+    - Backport fixes for a pair of compilation warnings on Windows.
+      Fixes bug 4521; bugfix on 0.2.2.28-beta and on 0.2.2.29-beta.