[gnome-control-center/wip/jtojnar/x11-goa-helper] online-accounts: Fix goa-helper on X11

[Jan Tojnar <jtojnar src gnome org>]

commit 5b35267db5e74a318ae9161e76035cfbd3216362
Author: Jan Tojnar <jtojnar gmail com>
Date:   Mon Mar 28 21:02:23 2022 +0200

    online-accounts: Fix goa-helper on X11
    
    The handle_str contains the “x11:” prefix so strtol would return 0.
    We need to pass it the numeric substring.
    
    Fixes: https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/1651

 panels/online-accounts/gnome-control-center-goa-helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/panels/online-accounts/gnome-control-center-goa-helper.c 
b/panels/online-accounts/gnome-control-center-goa-helper.c
index 56513147e..533609cbc 100644
--- a/panels/online-accounts/gnome-control-center-goa-helper.c
+++ b/panels/online-accounts/gnome-control-center-goa-helper.c
@@ -129,7 +129,7 @@ set_external_parent_from_handle (GtkApplication *application,
           int xid;
 
           errno = 0;
-          xid = strtol (handle_str, NULL, 16);
+          xid = strtol (handle_str + strlen (x11_prefix), NULL, 16);
           if (errno != 0)
             {
               g_warning ("Failed to reference external X11 window, invalid XID %s", handle_str);