Update arcmsr(4) to 1.20.00.22 to solve recursive acquisition of buffer mutex, which would lead to a deadlock.
Update arcmsr(4) to 1.20.00.22 to solve recursive acquisition of buffer
mutex, which would lead to a deadlock.

Many thanks to Areca for their continued support of FreeBSD.

Submitted by:	Ching Huang <ching2048 areca com tw>
Tested by:	Willem Jan Withagen <wjw digiware nl>
MFC after:	3 days
Approved by:	re (kib)

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