BIND 10 #1065: support empty node in DatabaseZoneHandle::find().

[BIND 10 Development]

#1065: support empty node in DatabaseZoneHandle::find().
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                   Reporter:         |                 Owner:  vorner
  jinmei                             |                Status:  accepted
                       Type:  task   |             Milestone:
                   Priority:  major  |  Sprint-20110816
                  Component:  data   |            Resolution:
  source                             |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  4.0
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by vorner):

 * owner:   => vorner
 * status:  new => accepted


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Ticket URL: <http://bind10.isc.org/ticket/1065#comment:3>
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