Document MinGW support.
diff --git a/ChangeLog b/ChangeLog
index 42fc519..97a9046 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22,6 +22,7 @@
   - Add support for additional operating systems:
     + FreeBSD
     + Mac OS X Lion
+    + MinGW
   - Add support for additional architectures:
     + MIPS
     + SH4