build: restore mingw build

* bootstrap.conf (gnulib_modules): Add chown.

bootstrap.conf

 # Bootstrap configuration.
 
-# Copyright (C) 2010 Red Hat, Inc.
+# Copyright (C) 2010-2011 Red Hat, Inc.
 
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
@@ -23,6 +23,7 @@ areadlink
 base64
 c-ctype
 canonicalize-lgpl
+chown
 close
 connect
 configmake