treewide: stdenv.lib -> lib

pkgs/applications/science/math/perseus/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, unzip }:
+{ lib, stdenv, fetchurl, unzip }:
 
 stdenv.mkDerivation {
   name = "perseus-4-beta";
@@ -33,8 +33,8 @@ stdenv.mkDerivation {
       matrices and so forth.
     '';
     homepage = "http://www.sas.upenn.edu/~vnanda/perseus/index.html";
-    license = stdenv.lib.licenses.gpl3;
-    maintainers = with stdenv.lib.maintainers; [erikryb];
-    platforms = stdenv.lib.platforms.linux;
+    license = lib.licenses.gpl3;
+    maintainers = with lib.maintainers; [erikryb];
+    platforms = lib.platforms.linux;
   };
 }