snort: fix evaluation

pkgs/applications/networking/ids/snort/default.nix

···
-{stdenv, fetchurl, libpcap, pcre, libdnet, daq, zlib, flex, bison}:
+{stdenv, fetchurl, libpcap, pcre, libdnet, daq, zlib, flex, bison, makeWrapper}:
 
 stdenv.mkDerivation rec {
   version = "2.9.7.2";