pkgs/tools: stdenv.lib -> lib

pkgs/tools/graphics/gifsicle/default.nix

@@ -1,9 +1,9 @@
-{ stdenv, fetchurl, xorgproto, libXt, libX11
+{ lib, stdenv, fetchurl, xorgproto, libXt, libX11
 , gifview ? false
 , static ? stdenv.hostPlatform.isStatic
 }:
 
-with stdenv.lib;
+with lib;
 
 stdenv.mkDerivation rec {
   pname = "gifsicle";
@@ -28,8 +28,8 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Command-line tool for creating, editing, and getting information about GIF images and animations";
     homepage = "https://www.lcdf.org/gifsicle/";
-    license = stdenv.lib.licenses.gpl2;
+    license = lib.licenses.gpl2;
     platforms = platforms.all;
-    maintainers = with stdenv.lib.maintainers; [ zimbatm ];
+    maintainers = with lib.maintainers; [ zimbatm ];
   };
 }