Remove extraneous i from text.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9969 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/glibc.xml

@@ -228,7 +228,7 @@ grep Error glibc-check-log</userinput></screen>
 <screen><userinput remap="install">make install</userinput></screen>
 
     <para>Install NIS and RPC related headers that are not installed by
-    default; these are required ito rebuild glibc and by several BLFS 
+    default; these are required to rebuild glibc and by several BLFS 
     packages:</para>
 
 <screen><userinput remap="install">cp -v ../glibc-&glibc-version;/sunrpc/rpc/*.h /usr/include/rpc