Updated several VCS packages

  * ghostscript/configure_ac.patch: added patch to workaround problem
    with wrong use of 'ZSRCDIR' (don't have proper solution);
  * emacs-auctex/PKGBUILD: added (returned?) option 'with-lispdir' to
    set path for installing lisp files.

Signed-off-by: Vladimir Lomov <lomov.vl@gmail.com>