jhb 3b6f1df0b0 Properly initialize an error variable to avoid returning uninitialized
data when 'show drives' succeeds, often resulting in a failing exit code
even though the command worked fine.

Reviewed by:	bz
Approved by:	re (kib)
MFC after:	3 days
2011-07-29 20:24:04 +00:00
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MFC
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MFC
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