[Bug libstdc++/47145] configure test for docbook-xsl-ns stylesheets uses hardcoded path

[doko at ubuntu dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47145

--- Comment #27 from Matthias Klose <doko at ubuntu dot com> 2011-03-22 
09:09:26 UTC ---
yes, thanks! already done.