remove informalexample tag which hides the programlisting in the

tree section of the apt-ftparchive manpage,
thanks Chris Leick for noticing it!

debian/changelog

@@ -113,6 +113,8 @@ apt (0.7.25) UNRELEASED; urgency=low
     - correct various errors, typos and oddities (Closes: #552535)
   * doc/apt-secure.8.xml:
     - replace literal with emphasis tags in Archive configuration
+  * doc/apt-ftparchive.1.xml:
+    - remove informalexample tag which hides the programlisting
 
   [ Eugene V. Lyubimkin ]
   * apt-pkg/contib/strutl.h

doc/apt-ftparchive.1.xml

@@ -350,11 +350,11 @@
      <para>
      When processing a <literal>Tree</literal> section <command>apt-ftparchive</command> 
      performs an operation similar to:
-<informalexample><programlisting>
+     <programlisting>
 for i in Sections do 
    for j in Architectures do
       Generate for DIST=scope SECTION=i ARCH=j
-</programlisting></informalexample></para>
+     </programlisting></para>
 
      <variablelist>     
       <varlistentry><term>Sections</term>