Fix evaluation. (licenses, not licences)

Thanks Domen.

(cherry picked from commit 0c98b52816bfa4f064bdadfcb026144fd5cece6d)
Signed-off-by: Domen Kožar <[e-mail]>

pkgs/development/libraries/cl/default.nix

···
   meta = {
     homepage = https://github.com/tonyrog/cl;
     description = "OpenCL binding for Erlang";
-    license = stdenv.lib.licences.mit;
+    license = stdenv.lib.licenses.mit;
   };
 }