afaffeb qemu: vnc: error out for invalid port number

Authored and Committed by phrdina 9 years ago
    qemu: vnc: error out for invalid port number
    
    In the XML we have the vnc port number, but QEMU takes on command line
    a vnc screen number, it's port-5900.  We should fail with error message
    that only ports in range [5900,65535] are valid.
    
    Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1164966
    
    Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
    
        
file modified
+48 -38