Sync kerenl version in explanation

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9312 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter05/glibc.xml

@@ -104,10 +104,10 @@ esac</userinput></screen>
       </varlistentry>
 
       <varlistentry>
-        <term><parameter>--enable-kernel=2.6.18</parameter></term>
+        <term><parameter>--enable-kernel=2.6.22.5</parameter></term>
         <listitem>
           <para>This tells Glibc to compile the library with support
-          for 2.6.18 and later Linux kernels.  Workarounds for older
+          for 2.6.22.5 and later Linux kernels.  Workarounds for older
           kernels are not enabled.</para>
         </listitem>
       </varlistentry>