BIND 10 #3220: The appendClientFqdn function in dhcpv6_srv.cc has invalid check for FQDN to be NULL

[BIND 10 Development]

#3220: The appendClientFqdn function in dhcpv6_srv.cc has invalid check for FQDN
to be NULL
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                   Reporter:         |                 Owner:
  marcin                             |                Status:  new
                       Type:         |             Milestone:  Sprint-
  defect                             |  DHCP-20131016
                   Priority:  high   |              Keywords:
                  Component:  dhcp6  |             Sensitive:  0
               CVSS Scoring:         |           Sub-Project:  DHCP
            Defect Severity:         |  Estimated Difficulty:  0
  Medium                             |           Total Hours:  0
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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 One of the attached devices was requesting Client FQDN option in ORO. The
 appendClientFqdn function in dhcp6_srv.cc appears to have a bug whereby
 after checking that the FQDN is a NULL pointer it appends the FQDN to the
 server's answer. It should be the other way: if the FQDN is null it should
 not be appended.

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Ticket URL: <http://bind10.isc.org/ticket/3220>
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