pkgs/tools: stdenv.lib -> lib

pkgs/tools/text/popfile/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchzip, makeWrapper, perlPackages,
+{ lib, stdenv, fetchzip, makeWrapper, perlPackages,
 ... }:
 
 stdenv.mkDerivation rec {
@@ -49,11 +49,11 @@ stdenv.mkDerivation rec {
   meta = {
     description = "An email classification system that automatically sorts messages and fights spam";
     homepage = "http://getpopfile.org";
-    license = stdenv.lib.licenses.gpl2;
+    license = lib.licenses.gpl2;
 
     # Should work on macOS, but havent tested it.
     # Windows support is more complicated.
     # http://getpopfile.org/docs/faq:systemrequirements
-    platforms = stdenv.lib.platforms.linux;
+    platforms = lib.platforms.linux;
   };
 }