patch for viewing DjVu files

[vadim-lvv at yandex.ru]

Hi, Nerijus Baliunas!

>evince 0.5.1 does not open djvu files here.

>From evince readmy:

Evince Optional Backend Libraries
==================================================
DjVuLibre for DjVu viewing [ http://djvulibre.djvuzone.org/ ]



>> ps I will wait Open/Xopen/KOpen/GOpen  :)
>
>What is it?

See top of mc.ext:

### TODO ###
#
# Postscript    Open: ps2svga [gs -DEVICE=jpeg|zgv or something]
# Images                asciiview
#
# All X Apps    [Nothing/Warning] if no DISPLAY
# Not found     [Default/Warning]
# Empty Output  [Default/Warning]
# Edit:         CopyOut+EDIT+CopyIn
# Security      Check gzip/bzip EDIT (mktemp)
#
# Maybe:        Open/XOpen/GOpen/KOpen/... for Console/X/GNOME/KDE/etc.

--
    Sincerely Yours,
    Vadim Likhota