gcstar: 1.7.2 -> 1.7.3

pkgs/applications/misc/gcstar/default.nix

···
 
 stdenv.mkDerivation rec {
   pname = "gcstar";
-  version = "1.7.2";
+  version = "1.7.3";
 
   src = fetchFromGitLab {
     owner = "Kerenoc";
     repo = "GCstar";
     rev = "v${version}";
-    sha256 = "1vqfff33sssvlvsva1dflggmwl00j5p64sn1669f9wrbvjkxgpv4";
+    sha256 = "1hah8ijh9mvcgbh36y3d3s6y79mzz27w24f2i29qllv7cayf6129";
   };
 
   nativeBuildInputs = [ wrapGAppsHook ];
···
     DateCalc
     DateTimeFormatStrptime
     Glib
-    Gtk2
+    Gtk3
+    Gtk3SimpleList
     GD
     GDGraph
     GDText