db87885 Fix usage of HOSTNAME

Authored and Committed by dledford 11 years ago
    Fix usage of HOSTNAME
    
    The $HOSTNAME environment variable is a bashism.  Replace with
    proper reliance on the hostname command instead.
    
    Resolves: bz919901
    
    Signed-off-by: Doug Ledford <dledford@redhat.com>
    
        
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