[goffice] GODoc: fixup dirty flag when saved_state is set.

[Morten Welinder <mortenw src gnome org>]

commit c8442657e2fee626bd4833bdc7249d09be953655
Author: Morten Welinder <terra gnome org>
Date:   Mon Mar 1 13:22:33 2021 -0500

    GODoc: fixup dirty flag when saved_state is set.

 goffice/app/go-doc.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/goffice/app/go-doc.c b/goffice/app/go-doc.c
index 6a02772d3..66df6cf78 100644
--- a/goffice/app/go-doc.c
+++ b/goffice/app/go-doc.c
@@ -555,6 +555,7 @@ go_doc_set_saved_state (GODoc *doc, guint64 state)
 
        doc->priv->saved_state = state;
        g_object_notify (G_OBJECT (doc), "saved-state");
+       go_doc_set_dirty (doc, state != doc->priv->state);
 }