kcalc: fixup inputs and outputs

pkgs/applications/kde/kcalc.nix

···
 {
   mkDerivation, lib,
   extra-cmake-modules, kdoctools,
-  kconfig, kconfigwidgets, kguiaddons, kinit, knotifications, gmp
+  gmp, kconfig, kconfigwidgets, kguiaddons, ki18n, kinit, knotifications,
+  kxmlgui,
 }:
 
 mkDerivation {
···
     maintainers = [ lib.maintainers.fridh ];
   };
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
-  buildInputs = [ gmp ];
-  propagatedBuildInputs = [
-    kconfig kconfigwidgets kguiaddons kinit knotifications
+  buildInputs = [
+    gmp kconfig kconfigwidgets kguiaddons ki18n kinit knotifications kxmlgui
   ];
 }