Add fix to changelog

Author: nvie

doc/source/changes.rst

@@ -5,6 +5,8 @@ Changelog
 2.0.3 - Fixes
 =============
 
+* Fix: bug in `git-blame --incremental` output parser that broken when
+  commit messages contained `\r` characters
 * Fix: progress handler exceptions are not caught anymore, which would usually just hide bugs
   previously.
 * Fix: The `Git.execute` method will now redirect `stdout` to `devnull` if `with_stdout` is false,