Use new approved mirror site syntax.

git-svn-id: https://svn.macports.org/repository/macports/trunk/dports@4163 d073be05-634f-4543-b044-5fe20cf6d1d6

lang/tcl/Portfile

@@ -1,4 +1,4 @@
-# $Id: Portfile,v 1.8 2003/10/28 22:40:21 fkr Exp $
+# $Id: Portfile,v 1.9 2003/12/08 10:23:05 jkh Exp $
 
 PortSystem 1.0
 name			tcl
@@ -8,7 +8,7 @@ categories		lang
 maintainers		jkh@opendarwin.org
 description		Tool Command Language
 platforms		darwin
-master_sites		http://umn.dl.sourceforge.net/sourceforge/tcl/
+master_sites		sourceforge
 distname		${portname}${portversion}-src
 worksrcdir		${portname}${portversion}/unix
 checksums		md5 42fa43432a3a2a25d45c7f650c8f78c8