Fix more ca-bundle paths

pkgs/tools/security/prey/default.nix

@@ -1,4 +1,5 @@
-{ stdenv, fetchurl, fetchgit, curl, scrot, imagemagick, xawtv, inetutils, makeWrapper, coreutils
+{ stdenv, fetchurl, fetchgit, curl, scrot, imagemagick, xawtv, inetutils
+, makeWrapper, coreutils, cacert
 , apiKey ? ""
 , deviceKey ? "" }:
 
@@ -35,7 +36,7 @@ in stdenv.mkDerivation rec {
     cp -R ${modulesSrc}/* $out/modules/
     wrapProgram "$out/prey.sh" \
       --prefix PATH ":" "${xawtv}/bin:${imagemagick}/bin:${curl}/bin:${scrot}/bin:${inetutils}/bin:${coreutils}/bin" \
-      --set CURL_CA_BUNDLE "/etc/ssl/certs/ca-bundle.crt"
+      --set CURL_CA_BUNDLE "${cacert}/ca-bundle.crt"
   '';
 
   meta = with stdenv.lib; {