Point the Perl download at a hopefully slightly more stable location. Fixes #2558.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9164 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

packages.ent

@@ -395,7 +395,7 @@
 
 <!ENTITY perl-version "5.10.1">
 <!ENTITY perl-size "11,336 KB">
-<!ENTITY perl-url "http://cpan.org/src/perl-&perl-version;.tar.bz2">
+<!ENTITY perl-url "http://cpan.org/src/5.0/perl-&perl-version;.tar.bz2">
 <!ENTITY perl-md5 "82400c6d34f7b7b43d0196c76cd2bbb1">
 <!ENTITY perl-home "http://cpan.org/">
 <!ENTITY perl-ch5-du "106 MB">