Fix grub url

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11234 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

packages.ent

@@ -286,7 +286,7 @@
 
 <!ENTITY grub-version "2.02">
 <!ENTITY grub-size "5,970 KB">
-<!ENTITY grub-url "http://alpha.gnu.org/gnu/grub/grub-&grub-version;.tar.xz">
+<!ENTITY grub-url "http://ftp.gnu.org/gnu/grub/grub-&grub-version;.tar.xz">
 <!ENTITY grub-md5 "8a4a2a95aac551fb0fba860ceabfa1d3">
 <!ENTITY grub-home "&gnu-software;grub/">
 <!ENTITY grub-ch6-du "142 MB">