sdl-jstest: switch to fetchFromGitHub

pkgs/tools/misc/sdl-jstest/default.nix

@@ -1,14 +1,15 @@
-{ lib, stdenv, fetchgit, cmake, pkg-config, SDL, SDL2, ncurses, docbook_xsl, git }:
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, SDL, SDL2, ncurses, docbook_xsl, git }:
 
 stdenv.mkDerivation {
   pname = "sdl-jstest";
   version = "2018-06-15";
 
-  # Submodules
-  src = fetchgit {
-    url = "https://github.com/Grumbel/sdl-jstest";
+  src = fetchFromGitHub {
+    owner = "Grumbel";
+    repo = "sdl-jstest";
     rev = "aafbdb1ed3e687583037ba55ae88b1210d6ce98b";
-    sha256 = "0p4cjzcq0bbkzad19jwdklylqhq2q390q7dpg8bfzl2rwls883rk";
+    sha256 = "sha256-Mw+ENOVZ0O8WercdDNLAAkNMPZ2NyxSa+nMtgNmXjFw=";
+    fetchSubmodules = true;
   };
 
   buildInputs = [ SDL SDL2 ncurses ];