[gtk/wip/chergert/gdk-macos-for-master] node-editor: fix length of text during save

[Christian Hergert <chergert src gnome org>]

commit 3003f37e9de90ba17d9be9710d69fdfde931a994
Author: Christian Hergert <chergert redhat com>
Date:   Tue Nov 17 14:34:11 2020 -0800

    node-editor: fix length of text during save
    
    The length parameter for g_file_replace_contents() is a gsize, so -1 is
    unsuitable here. Just use strlen() directly.

 demos/node-editor/node-editor-window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/demos/node-editor/node-editor-window.c b/demos/node-editor/node-editor-window.c
index ff536d60ca..bf1660d6f8 100644
--- a/demos/node-editor/node-editor-window.c
+++ b/demos/node-editor/node-editor-window.c
@@ -465,7 +465,7 @@ save_response_cb (GtkWidget        *dialog,
       text = get_current_text (self->text_buffer);
 
       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,