treewide: stdenv.lib -> lib

pkgs/applications/graphics/guetzli/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, libpng, fetchFromGitHub, pkgconfig }:
+{ lib, stdenv, libpng, fetchFromGitHub, pkgconfig }:
 let
   version = "1.0.1";
 in
@@ -23,8 +23,8 @@ stdenv.mkDerivation {
     description = "Perceptual JPEG encoder";
     longDescription = "Guetzli is a JPEG encoder that aims for excellent compression density at high visual quality.";
     homepage = "https://github.com/google/guetzli";
-    license = stdenv.lib.licenses.asl20;
-    platforms = stdenv.lib.platforms.x86_64;
-    maintainers = [ stdenv.lib.maintainers.seppeljordan ];
+    license = lib.licenses.asl20;
+    platforms = lib.platforms.x86_64;
+    maintainers = [ lib.maintainers.seppeljordan ];
   };
 }