lxqt: fix small issues in nix expressions

nixos/modules/services/x11/desktop-managers/lxqt.nix

@@ -31,6 +31,7 @@ in
     };
 
     environment.systemPackages = [
+      pkgs.kde5.kwindowsystem # provides some QT5 plugins needed by lxqt-panel
       pkgs.kde5.oxygen-icons5 # default icon theme
       pkgs.libfm
       pkgs.libfm-extra

pkgs/desktops/lxqt/core/lxqt-panel/default.nix

@@ -1,5 +1,6 @@
 { stdenv, fetchFromGitHub, cmake, pkgconfig, qt5, kde5, lxqt, xorg,
-libstatgrab, lm_sensors, libpulseaudio, alsaLib, menu-cache, lxmenu-data }:
+libstatgrab, lm_sensors, libpulseaudio, alsaLib, menu-cache,
+lxmenu-data }:
 
 stdenv.mkDerivation rec {
   name = "${pname}-${version}";
@@ -23,6 +24,7 @@ stdenv.mkDerivation rec {
     qt5.libdbusmenu
     kde5.kwindowsystem
     kde5.solid
+    kde5.kguiaddons
     lxqt.liblxqt
     lxqt.libqtxdg
     lxqt.lxqt-globalkeys

pkgs/desktops/lxqt/default.nix

@@ -6,8 +6,8 @@ let
   self = rec {
 
     # For compiling information, see:
-    # - https://github.com/lxde/lxqt/wiki/Building-from-source  
-      
+    # - https://github.com/lxde/lxqt/wiki/Building-from-source
+  
     standardPatch = ''
       for file in $(find . -name CMakeLists.txt); do
         substituteInPlace $file \
@@ -21,7 +21,7 @@ let
         echo $file
         grep --color=always DESTINATION $file || true
         grep --color=always share/lxqt/translations $file || true
-        grep --color=always platformthemes $file || true
+        grep --color=always platform $file || true
       done
       echo --------------------------------------------------------
     '';
@@ -56,5 +56,7 @@ let
 
     ### OPTIONAL
     qterminal = callPackage ./optional/qterminal { };
+   
+  };
 
 in self