Fix perl option description in Chapter 5

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9394 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter05/perl.xml

@@ -64,7 +64,7 @@ sed 's/command /command[ -]/' makedepend.SH.orig &gt; makedepend.SH</userinput><
       <title>The meaning of the configure options:</title>
 
       <varlistentry>
-        <term><parameter>-Dstatic_ext='Data/Dumper Fcntl IO POSIX'</parameter></term>
+        <term><parameter>-Dstatic_ext='Data/Dumper Fcntl IO'</parameter></term>
         <listitem>
           <para>This tells Perl to build the minimum set of static extensions
           needed for installing and testing the Coreutils and Glibc packages in the