praat: Update to 5417

Mostly because the old URL didn't work.

pkgs/applications/audio/praat/default.nix

···
 { stdenv, fetchurl, alsaLib, gtk, pkgconfig }:
 
-let version = "5401"; in
+let version = "5417"; in
 stdenv.mkDerivation {
   name = "praat-${version}";
 
   src = fetchurl {
     url = "http://www.fon.hum.uva.nl/praat/praat${version}_sources.tar.gz";
-    sha256 = "1hx0simc0hp5w5scyaiw8h8lrpafra4h1zy1jn1kzb0299yd06n3";
+    sha256 = "1bspl963pb1s6k3cd9p3g5j518pxg6hkrann945lqsrvbzaa20kl";
   };
 
   configurePhase = ''