libidl: fix homepage

Author: eleanordoesntcode

Formula/lib/libidl.rb

@@ -1,6 +1,6 @@
 class Libidl < Formula
   desc "Library for creating CORBA IDL files"
-  homepage "https://ftp.acc.umu.se/pub/gnome/sources/libIDL/0.8/"
+  homepage "https://download.gnome.org/sources/libIDL/0.8/"
   url "https://download.gnome.org/sources/libIDL/0.8/libIDL-0.8.14.tar.bz2"
   sha256 "c5d24d8c096546353fbc7cedf208392d5a02afe9d56ebcc1cccb258d7c4d2220"
   license "LGPL-2.0-or-later"