spec: fix source url

tarballs for official upstream releases are stored at
http://download.savannah.gnu.org/releases/quagga/

quagga.spec

@@ -7,12 +7,12 @@
 
 Name: quagga
 Version: 0.99.22.4
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: Routing daemon
 License: GPLv2+
 Group: System Environment/Daemons
 URL: http://www.quagga.net
-Source0: http://www.quagga.net/download/%{name}-%{version}.tar.xz
+Source0: http://download.savannah.gnu.org/releases/quagga/%{name}-%{version}.tar.xz
 Source1: quagga-filter-perl-requires.sh
 Source2: quagga-tmpfs.conf
 BuildRequires: systemd
@@ -225,6 +225,9 @@ fi
 %{_includedir}/quagga/ospfd/*.h
 
 %changelog
+* Thu Jan 29 2014 Michal Sekletar <msekleta@redhat.com> - 0.99.22.4-3
+- fix source url
+
 * Mon Jan 14 2014 Michal Sekletar <msekleta@redhat.com> - 0.99.22.4-2
 - reference pidfiles in service files (#1025798)