added --login to exec bash

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1047 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/glibc-inst.xml

@@ -31,7 +31,7 @@ would do.</para>
 <userinput>make &amp;&amp;</userinput>
 <userinput>make install &amp;&amp;</userinput>
 <userinput>make localedata/install-locales &amp;&amp;</userinput>
-<userinput>exec /bin/bash</userinput></screen></para>
+<userinput>exec /bin/bash --login</userinput></screen></para>
 
 <para>An alternative to running <userinput>make
 localedate/install-locales</userinput> is to only install those locales