jool: 4.1.6 -> 4.1.7

Also add missing license.

pkgs/os-specific/linux/jool/default.nix

@@ -28,6 +28,7 @@ stdenv.mkDerivation {
     homepage = "https://www.jool.mx/";
     description = "Fairly compliant SIIT and Stateful NAT64 for Linux - kernel modules";
     platforms = platforms.linux;
+    license = licenses.gpl2Only;
     maintainers = with maintainers; [ fpletz ];
   };
 }

pkgs/os-specific/linux/jool/source.nix

@@ -1,11 +1,11 @@
 { fetchFromGitHub }:
 
 rec {
-  version = "4.1.6";
+  version = "4.1.7";
   src = fetchFromGitHub {
     owner = "NICMx";
     repo = "Jool";
     rev = "v${version}";
-    sha256 = "09avkiazpfxzrgr3av58jbina5x9jqvqhjkn39475pfhfhrlv9fv";
+    sha256 = "08z23mi6xkr6zzp0hzh1cppvl2y0177s0lnpxqbpy8jiii5fxw8f";
   };
 }