0d3aff5 qemu: Use correct variable in qemuDomainSetBlockIoTune

Authored and Committed by Peter Krempa 6 years ago
    qemu: Use correct variable in qemuDomainSetBlockIoTune
    
    'param' contains the correct element from 'params'.
    
    If the group name would not be the first parameter libvirtd would crash.
    
    Introduced in c53bd25b13.
    
    Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1455510
    
        
file modified
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