Reinstate libiberty header installation.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2843 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/binutils-inst.xml

@@ -43,5 +43,10 @@ generates code that can be executed on PowerPC machines).</para>
 
 <para><screen><userinput>make tooldir=/usr install</userinput></screen></para>
 
+<para>Install the <emphasis>libiberty</emphasis> header file that is needed by
+some packages:</para>
+
+<para><screen><userinput>cp ../binutils-&binutils-version;/include/libiberty.h /usr/include</userinput></screen></para>
+
 </sect2>