HEADS UP: Full buildworld/kernel required when using master after spinlock changes

[Sascha Wildner]

Hello,

if you are using master, please do a full buildworld, buildkernel,  
installkernel, installworld upgrade after the commit  
ba87a4ab252df80acecfc25acfd9e406ea7f4c93 ("kernel/spinlock: Add a  
description to struct spinlock.").

Sascha