l nm-dmenu: add props to PATH

lass/5pkgs/nm-dmenu/default.nix

@@ -1,6 +1,10 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 
 pkgs.writeDashBin "nm-dmenu" ''
-  export PATH=$PATH:${pkgs.dmenu}/bin:${pkgs.networkmanagerapplet}/bin
+  export PATH=$PATH:${lib.makeBinPath [
+    pkgs.dmenu
+    pkgs.networkmanagerapplet
+    pkgs.procps
+  ]}
   exec ${pkgs.networkmanager_dmenu}/bin/networkmanager_dmenu "$@"
 ''