(286206) fix for virtualbox-70 after current commit a3a88ed

From: Graham Perrin <grahamperrin_at_gmail.com>
Date: Wed, 23 Apr 2025 05:22:13 UTC
On 20/04/2025 16:21, Michael Butler wrote:
> In case anyone else is stuck on this ..
>
> Recent changes in -current to remove vm_page_prev and vm_page_next 
> break compilation and loading of the virtualbox kernel modules.
>
> This patch moves the troublesome call to the new KPI. I only tested on 
> virtualbox-70


Report 286193 was followed by 
<https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286206>

I'm testing the patch at attachment 259804.