treewide: stdenv.lib -> lib

pkgs/applications/networking/dropbox/cli.nix

@@ -1,4 +1,4 @@
-{ stdenv
+{ lib, stdenv
 , substituteAll
 , pkgconfig
 , fetchurl
@@ -63,8 +63,8 @@ stdenv.mkDerivation {
   meta = {
     homepage = "https://www.dropbox.com";
     description = "Command line client for the dropbox daemon";
-    license = stdenv.lib.licenses.gpl3Plus;
+    license = lib.licenses.gpl3Plus;
     # NOTE: Dropbox itself only works on linux, so this is ok.
-    platforms = stdenv.lib.platforms.linux;
+    platforms = lib.platforms.linux;
   };
 }