4362ff4 virsh: use vshError consistently after virBufferError checks

3 files Authored by ptoscano 7 years ago, Committed by mprivozn 7 years ago,
    virsh: use vshError consistently after virBufferError checks
    
    If virBufferError() reports an error, then vshError() is needed to
    report the error situation instead of a simple vshError().
    
        
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