calamares: fix qt path

pkgs/tools/misc/calamares/default.nix

@@ -1,10 +1,10 @@
-{ stdenv, fetchurl, boost, cmake, extra-cmake-modules, kparts, kpmcore
+{ lib, fetchurl, boost, cmake, extra-cmake-modules, kparts, kpmcore
 , kservice, libatasmart, libxcb, libyamlcpp, parted, polkit-qt, python, qtbase
 , qtquickcontrols, qtsvg, qttools, qtwebengine, utillinux, glibc, tzdata
-, ckbcomp, xkeyboard_config
+, ckbcomp, xkeyboard_config, mkDerivation
 }:
 
-stdenv.mkDerivation rec {
+mkDerivation rec {
   pname = "calamares";
   version = "3.2.15";
 
@@ -54,10 +54,10 @@ stdenv.mkDerivation rec {
         -i CMakeLists.txt
   '';
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "Distribution-independent installer framework";
     license = licenses.gpl3;
-    maintainers = with stdenv.lib.maintainers; [ manveru ];
+    maintainers = with lib.maintainers; [ manveru ];
     platforms = platforms.linux;
   };
 }