[gtk/constraint-editor-work: 3/4] constraint-editor: Fix saving of constraints

[Matthias Clasen <matthiasc src gnome org>]

commit 831ebe3ef26ee9069edc8f6162353273eb4dbc43
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 17 23:14:29 2020 -0500

    constraint-editor: Fix saving of constraints
    
    g_file_replace_contents take a gsize, so passing -1
    for string length does not work here.

 demos/constraint-editor/constraint-editor-window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/demos/constraint-editor/constraint-editor-window.c 
b/demos/constraint-editor/constraint-editor-window.c
index ba25a806ec..2ec0f4cd67 100644
--- a/demos/constraint-editor/constraint-editor-window.c
+++ b/demos/constraint-editor/constraint-editor-window.c
@@ -300,7 +300,7 @@ save_response_cb (GtkNativeDialog        *dialog,
       model = constraint_view_get_model (CONSTRAINT_VIEW (self->view));
       text = serialize_model (model);
       file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
-      g_file_replace_contents (file, text, -1,
+      g_file_replace_contents (file, text, strlen (text),
                                NULL, FALSE,
                                G_FILE_CREATE_NONE,
                                NULL,