[goffice] Another change related to #748493

[Jean Bréfort <jbrefort src gnome org>]

commit e5c66dd3e14ff535e03dbb6642e9497cffb20af0
Author: Jean Brefort <jean brefort normalesup org>
Date:   Tue Apr 28 18:49:21 2015 +0200

    Another change related to #748493

 goffice/utils/go-image.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/goffice/utils/go-image.c b/goffice/utils/go-image.c
index b6a3830..d79eea8 100644
--- a/goffice/utils/go-image.c
+++ b/goffice/utils/go-image.c
@@ -659,7 +659,9 @@ go_image_new_from_data (char const *type, guint8 const *data, gsize length, char
        } else if (!strcmp (type, "svg")) {
                image = go_svg_new_from_data (data, length, error);
        } else if (!strcmp (type, "emf") || !strcmp (type, "wmf")) {
-               image = go_emf_new_from_data (data, length, error);
+#warning Remove this when we have a widgetless canvas, see bug #748493
+               if (gdk_screen_get_default () != NULL)
+                       image = go_emf_new_from_data (data, length, error);
        } else if (!strcmp (type, "eps")) {
                image = go_spectre_new_from_data (data, length, error);
        } else {