licenses: comment about two versions of MIT

I decided to follow spdx.org and not to differentiate those two.
Packages would often have the wrong version anyway.

1 files changed, 3 insertions, 2 deletions

diff --git a/pkgs/development/libraries/expat/default.nix b/pkgs/development/libraries/expat/default.nix
index d7915a93962..9a49225d172 100644
--- a/pkgs/development/libraries/expat/default.nix
+++ b/pkgs/development/libraries/expat/default.nix
@@ -8,9 +8,10 @@ stdenv.mkDerivation rec {
     sha256 = "11pblz61zyxh68s5pdcbhc30ha1b2vfjd83aiwfg4vc15x3hadw2";
   };
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://www.libexpat.org/;
     description = "A stream-oriented XML parser library written in C";
-    platforms = stdenv.lib.platforms.all;
+    platforms = platforms.all;
+    license = licenses.mit; # expat version
   };
 }