Change zlib from .gz to .bz2 to decrease download size slightly

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8705 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

packages.ent

@@ -545,9 +545,9 @@
 <!ENTITY vim-lang-home "http://www.vim.org">
 
 <!ENTITY zlib-version "1.2.3">
-<!ENTITY zlib-size "485 KB">
-<!ENTITY zlib-url "http://www.zlib.net/zlib-&zlib-version;.tar.gz">
-<!ENTITY zlib-md5 "debc62758716a169df9f62e6ab2bc634">
+<!ENTITY zlib-size "416 KB">
+<!ENTITY zlib-url "http://www.zlib.net/zlib-&zlib-version;.tar.bz2">
+<!ENTITY zlib-md5 "dee233bf288ee795ac96a98cc2e369b6">
 <!ENTITY zlib-home "http://www.zlib.net/">
 <!ENTITY zlib-ch6-du "3.1 MB">
 <!ENTITY zlib-ch6-sbu "less than 0.1 SBU">