pam_usb: Fix evaluation

+1 -1
+1 -1
pkgs/os-specific/linux/pam_usb/default.nix
··· 1 - { stdenv, fetchurl, makeWrapper, useSetUID, dbus, libxml2, pam, pkgconfig, pmount, pythonPackages, writeScript }: 2 3 let 4
··· 1 + { stdenv, fetchurl, makeWrapper, dbus, libxml2, pam, pkgconfig, pmount, pythonPackages, writeScript }: 2 3 let 4