appendix_contributing.xml: Adjust link to coreutils.

	* doc/xml/manual/appendix_contributing.xml: Adjust link to
	coreutils.

From-SVN: r151941

libstdc++-v3/ChangeLog

+2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* doc/xml/manual/appendix_contributing.xml: Adjust link to
+	coreutils.
+
 2009-09-18  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
 	* python/hook.in: Fix prefix trailing slash on 64bit host arches.

libstdc++-v3/doc/xml/manual/appendix_contributing.xml

@@ -922,7 +922,7 @@ indicate a place that may require attention for multi-thread safety.
       <para>
 	Prerequisite tools are Bash 2.x,
 	<ulink url="http://www.doxygen.org/">Doxygen</ulink>, and
-	the <ulink url="http://www.gnu.org/software/coreutils">GNU
+	the <ulink url="http://www.gnu.org/software/coreutils/">GNU
 	coreutils</ulink>. (GNU versions of find, xargs, and possibly
 	sed and grep are used, just because the GNU versions make
 	things very easy.)