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

pkgs/development/libraries/pagmo2/default.nix

@@ -1,5 +1,5 @@
 { fetchFromGitHub
-, stdenv
+, lib, stdenv
 , cmake
 , eigen
 , nlopt
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   # tests pass but take 30+ minutes
   doCheck = false;
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     homepage = "https://esa.github.io/pagmo2/";
     description = "Scientific library for massively parallel optimization";
     license = licenses.gpl3Plus;