Fix double free of popt context when querying version
    
    This is a non-exploitable, cosmetic issue which causes a segfault (in
    some cases) rather than a clean exit of the program.
    
    Signed-off-by: Robbie Harwood <rharwood@redhat.com>
    Reviewed-by: Simo Sorce <simo@redhat.com>
    Merges: #209