Turn more licenses into lib.licenses style

Should eval cleanly, as far as -A tarball tells me.

Relevant: issue #2999, issue #739

1 files changed, 1 insertions, 1 deletions

diff --git a/pkgs/development/libraries/libopensc-dnie/default.nix b/pkgs/development/libraries/libopensc-dnie/default.nix
index 2d736411780..1452ec61606 100644
--- a/pkgs/development/libraries/libopensc-dnie/default.nix
+++ b/pkgs/development/libraries/libopensc-dnie/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.dnielectronico.es/descargas/;
     description = "Opensc plugin to access the Spanish national ID smartcard";
-    license = "nonfree";
+    license = stdenv.lib.licenses.unfree;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
     broken = true;