Use common save function for backends.

Use common save function for backends.

2006-01-19  Jani Monoses <jani.monoses@gmail.com>

	* comics/comics-document.c: (comics_document_save):
	* djvu/djvu-document.c: (djvu_document_save):
	* dvi/dvi-document.c: (dvi_document_save):
	* lib/ev-file-helpers.c: (ev_tmp_filename), (ev_xfer_uri_simple):
	* lib/ev-file-helpers.h:
	* pixbuf/pixbuf-document.c: (pixbuf_document_save):
	* tiff/tiff-document.c: (tiff_document_save):

	Use common save function for backends.