Update anoncvs info, per Marc.

doc/src/sgml/cvs.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/cvs.sgml,v 1.17 2001/09/16 23:52:29 tgl Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/cvs.sgml,v 1.18 2001/09/23 01:16:35 momjian Exp $
 CVS code repository
 Thomas Lockhart
 -->
@@ -67,7 +67,7 @@ Thomas Lockhart
      Do an initial login to the <productname>CVS</productname> server:
 
      <programlisting>
-$ cvs -d :pserver:anoncvs@anoncvs.postgresql.org:/cvsroot login
+$ cvs -d :pserver:anoncvs@anoncvs.postgresql.org:/projects/cvsroot login
      </programlisting>
 
      You will be prompted for a password; just press <literal>ENTER</literal>.
@@ -80,7 +80,7 @@ $ cvs -d :pserver:anoncvs@anoncvs.postgresql.org:/cvsroot login
     <para>
      Fetch the <productname>Postgres</productname> sources:
      <programlisting>
-cvs -z3 -d :pserver:anoncvs@anoncvs.postgresql.org:/cvsroot co -P pgsql
+cvs -z3 -d :pserver:anoncvs@anoncvs.postgresql.org:/projects/cvsroot co -P pgsql
      </programlisting>
 
      which installs the <productname>Postgres</productname> sources into a