Update readme.md

Author: josef-poetzl

source/codelib/readme.md

@@ -1,4 +1,4 @@
 Shared files from access-codelib.net 
 Subversion: https://svn.access-codelib.net/svn/codelib/
 
-License: BSD (see _codelib/license.bas)
+License: BSD (see [_codelib/license.bas](https://github.com/AccessCodeLib/FilterFormWizard/blob/master/source/codelib/_codelib/license.bas))