pkgs/development/libraries: stdenv.lib -> lib

pkgs/development/libraries/zchunk/default.nix

@@ -1,4 +1,4 @@
-{ stdenv
+{ lib, stdenv
 , fetchFromGitHub
 , fetchpatch
 , pkg-config
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     zstd
     curl
-  ] ++ stdenv.lib.optional stdenv.isDarwin argp-standalone;
+  ] ++ lib.optional stdenv.isDarwin argp-standalone;
 
   # Darwin needs a patch for argp-standalone usage and differing endian.h location on macOS
   # https://github.com/zchunk/zchunk/pull/35
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
   })
 ];
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "File format designed for highly efficient deltas while maintaining good compression";
     homepage = "https://github.com/zchunk/zchunk";
     license = licenses.bsd2;