Added /tools/bin/echo to essential symlinks for glibc posix/tst-vfork3

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8231 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter01/changelog.xml

@@ -39,6 +39,10 @@
     <listitem>
       <para>2007-07-23</para>
       <itemizedlist>
+        <listitem>
+          <para>[dnicholson] - Added `echo' to the Essential Symlinks section
+          as it is needed for the Glibc testsuite.</para>
+        </listitem>
         <listitem>
           <para>[dnicholson] - Added a known failing test to the Ch. 6 Glibc
           page.</para>

chapter06/createfiles.xml

@@ -39,7 +39,7 @@
   replaced by real files throughout the course of this chapter after the software
   has been installed:</para>
 
-<screen><userinput>ln -sv /tools/bin/{bash,cat,grep,pwd,stty} /bin
+<screen><userinput>ln -sv /tools/bin/{bash,cat,echo,grep,pwd,stty} /bin
 ln -sv /tools/bin/perl /usr/bin
 ln -sv /tools/lib/libgcc_s.so{,.1} /usr/lib
 ln -sv /tools/lib/libstdc++.so{,.6} /usr/lib