Update cups-filters to 1.4.0:

CHANGES IN V1.4.0

- foomatic-rip: SECURITY FIX: Also consider the semicolon
  (';') as an illegal shell escape character. Thanks to Adam
  Chester (adam dot chester at pentest dot co dot uk) for the
  hint (CVE-2015-8560).
- brftoembosser, imagetobrf, imagetoubrl, imageubrltoindexv3,
  imageubrltoindexv4, textbrftoindexv3, textbrftoindexv4,
  texttobrf, braille.convs, braille.types, generic-brf.drv,
  indexv3.drv, indexv4.drv: Added support for Braille
  embossing via CUPS. Text and even images can now be sent to
  a Braille embosser like to a printer. Thanks to Samuel
  Thibault (samuel dot thibault at ens-lyon dot org) for this
  contribution.

(wiz)