Add test build of shared libs for windows

ChangeLog

diff --git a/ChangeLog b/ChangeLog
index 54d7db6..1ff7caf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -20,6 +20,9 @@
      (found by robotanarchy) (#232).
    * Fix bug in Makefile that prevented from installing without building the
      tests (found by robotanarchy) (#232).
+   * Fix missing -static-libgcc when building shared libraries for Windows
+     with make.
+   * Fix link error when building shared libraries for Windows with make.
 
 Changes
    * The PEM parser now accepts a trailing space at end of lines (#226).