kompare: fixup inputs and outputs

pkgs/applications/kde/kompare.nix

@@ -1,14 +1,15 @@
 {
   mkDerivation, lib,
   extra-cmake-modules, kdoctools,
-  kparts, ktexteditor, kwidgetsaddons, libkomparediff2
+  kiconthemes, kparts, ktexteditor, kwidgetsaddons, libkomparediff2
 }:
 
 mkDerivation {
   name = "kompare";
   meta = { license = with lib.licenses; [ gpl2 ]; };
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
-  propagatedBuildInputs = [
-    kparts ktexteditor kwidgetsaddons libkomparediff2
+  buildInputs = [
+    kiconthemes kparts ktexteditor kwidgetsaddons libkomparediff2
   ];
+  outputs = [ "out" "dev" ];
 }