Allow to enable/disable the pixbuf backend. Default to off for now. If we

Allow to enable/disable the pixbuf backend. Default to off for now. If we

2005-07-11  Marco Pesenti Gritti  <mpg@redhat.com>

        * Makefile.am:
        * backend/Makefile.am:
        * backend/ev-document-factory.c: (ev_document_type_get_from_mime):
        * configure.ac:
        * shell/ev-document-types.c: (ev_document_types_add_filters):

        Allow to enable/disable the pixbuf backend.
        Default to off for now. If we want it enabled we should
        really put mime types in the desktop, implement properties etc.

        * properties/evince-properties.c:

        Initialize error to NULL.
        Check error is not NULL before freeing.