John Baldwin 7816cb4a0b Fix an off by one error in r283613: Like regular ffs(), CPU_FFS() returns
1 for CPU 0, etc. so the return value must be decremented to obtain the
first valid CPU ID.

Submitted by:	fabient
MFC after:	1 week
2015-09-01 17:52:43 +00:00
..
2014-11-25 16:57:27 +00:00
2015-06-13 19:20:56 +00:00