vcs: substitute standalone getopt outside of linux

pkgs/applications/video/vcs/default.nix

@@ -1,11 +1,15 @@
 { lib, stdenv, fetchurl, makeWrapper
-, coreutils, ffmpeg, gawk, gnugrep, gnused, imagemagick, mplayer, util-linux
+, coreutils, ffmpeg, gawk, gnugrep, gnused, imagemagick, mplayer
+, util-linux, getopt
 , dejavu_fonts
 }:
 with lib;
 let
   version = "1.13.4";
-  runtimeDeps = [ coreutils ffmpeg gawk gnugrep gnused imagemagick mplayer util-linux ];
+  gopt = if stdenv.isLinux then util-linux else getopt;
+  runtimeDeps = [
+    coreutils ffmpeg gawk gnugrep gnused imagemagick mplayer gopt
+  ];
 in
 stdenv.mkDerivation {
   pname = "vcs";