[packages/kernel] - add VirtuaBox bug ref

[baggins]

commit b8c7eaf9bd3152f142343672df38a49e13cd3391
Author: Jan Rękorajski <baggins at pld-linux.org>
Date:   Tue Feb 17 22:40:22 2026 +0100

    - add VirtuaBox bug ref

 revert-kvm-symbol-exports-for-vbox.patch | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/revert-kvm-symbol-exports-for-vbox.patch b/revert-kvm-symbol-exports-for-vbox.patch
index de91c017..3a80dbbb 100644
--- a/revert-kvm-symbol-exports-for-vbox.patch
+++ b/revert-kvm-symbol-exports-for-vbox.patch
@@ -1,5 +1,7 @@
 Revert parts of the commit below to allow VirtualBox modules to be built.
 
+https://github.com/VirtualBox/virtualbox/issues/467
+
 From 6276c67f2bc4aeaf350a7cf889c33c38b3330ea9 Mon Sep 17 00:00:00 2001
 From: Sean Christopherson <seanjc at google.com>
 Date: Wed, 12 Nov 2025 09:39:44 -0800
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/kernel.git/commitdiff/b8c7eaf9bd3152f142343672df38a49e13cd3391