Fix url in standards

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10178 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

prologue/standards.xml

@@ -27,7 +27,7 @@
 
       </listitem>
       <listitem>
-        <para><ulink url="http://refspecs.freestandards.org/lsb.shtml">Linux
+        <para><ulink url="http://refspecs.linuxfoundation.org/lsb.shtml">Linux
         Standard Base (LSB) Specifications</ulink></para>
 
         <para>The LSB has five separate standards: Core, C++, Desktop,