Move signal initialization before dostartuphooks to avoid panic at start of raid autoconfiguration thread. Required for upcoming RAIDFrame code update.
Move signal initialization before dostartuphooks to avoid panic at
start of raid autoconfiguration thread. Required for upcoming RAIDFrame
code update.

From Thierry Deval <TDeval@PrimeOBJ.COM>

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars