[libxml2] Fix source URL in libxml.spec.in

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 176115c664f2a0ebe1d3784935a4055b52d0065f
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Mon Feb 14 22:49:04 2022 +0100

    Fix source URL in libxml.spec.in

 libxml.spec.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libxml.spec.in b/libxml.spec.in
index 772b8b9b..73c6fd9e 100644
--- a/libxml.spec.in
+++ b/libxml.spec.in
@@ -6,7 +6,7 @@ Version: @VERSION@
 Release: 1%{?dist}%{?extra_release}
 License: MIT
 Group: Development/Libraries
-Source: https://gitlab.gnome.org/GNOME/libxml2/-/releases/v%{version}/downloads/libxml2-%{version}.tar.gz
+Source: 
https://download.gnome.org/sources/libxml2/@LIBXML_MAJOR_VERSION@.@LIBXML_MINOR_VERSION@/libxml2-%{version}.tar.xz
 BuildRoot: %{_tmppath}/%{name}-%{version}-root
 BuildRequires: python-devel
 %if 0%{?with_python3}