Add ps specials support in dvi backend when libspectre is present. Fixes

Add ps specials support in dvi backend when libspectre is present. Fixes

2007-12-20  Carlos Garcia Campos  <carlosgc@gnome.org>
	* backend/dvi/Makefile.am:
	* backend/dvi/cairo-device.c: (dvi_cairo_draw_ps),
	(mdvi_cairo_device_init):
	* backend/dvi/mdvi-lib/common.h:
	* backend/dvi/mdvi-lib/mdvi.h:
	* backend/dvi/mdvi-lib/sp-epsf.c: (epsf_special):
	* backend/dvi/mdvi-lib/util.c: (mdvi_strrstr),
	(mdvi_build_path_from_cwd):
	Add ps specials support in dvi backend when libspectre is
	present. Fixes bug #386005.

svn path=/trunk/; revision=2775