python3Packages.aiowinreg: fix build, add missing dep

pkgs/development/python-modules/aiowinreg/default.nix

···
 , buildPythonPackage
 , fetchPypi
 , pythonOlder
+, winacl
 }:
 
 buildPythonPackage rec {
···
     inherit pname version;
     sha256 = "096663ec3db35fdc7ccc1c2d0d64a11cf64f4baa48955088e42b6a649ce418a5";
   };
+
+  propagatedBuildInputs = [ winacl ];
 
   # Project doesn't have tests
   doCheck = false;