[packagers] source url update for speex

[Who Knows]

--- speex.spec  (revision 5496)
+++ speex.spec  (working copy)
@@ -10,7 +10,7 @@
 License: BSD
 Group: System Environment/Libraries
 URL: http://www.speex.org/
-Source: http://www.speex.org/download/speex-%{version}.tar.gz
+Source: http://downloads.us.xiph.org/releases/speex/speex-%{version}.tar.gz
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 Provides: libspeex = %{version}-%{release}
 Obsoletes: libspeex <= 1.0.0