Fix typo in M4 upgrade Changelog entry.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7866 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter01/changelog.xml

@@ -48,7 +48,7 @@
 	</listitem>
         <listitem>
           <para>[matthew] - Upgrade to M4-1.4.8. Fixes
-          <ulink url="&lfs-ticket-root;1929">1920</ulink></para>
+          <ulink url="&lfs-ticket-root;1920">1920</ulink></para>
         </listitem>
         <listitem>
           <para>[matthew] - Upgrade to Linux-2.6.18.3. Fixes