File project.diff of Package libtool

--- libtool.spec.orig
+++ libtool.spec
@@ -33,7 +33,7 @@ Obsoletes:      libtool-64bit
 PreReq:         %{install_info_prereq}
 Requires:       libltdl7 = %{version}
 Url:            http://www.gnu.org/software/libtool/
-Source:         ftp://ftp.gnu.org/pub/gnu/libtool/libtool-%{version}a.tar.lzma
+Source:         ftp://ftp.gnu.org/pub/gnu/libtool/libtool-%{version}a.tar.bz2
 #Patch:          libtool-%{version}.diff
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build