BIND 10 #3312: Fix new cppcheck reports

[BIND 10 Development]

#3312: Fix new cppcheck reports
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            Reporter:  muks          |                        Owner:
                Type:  defect        |  UnAssigned
            Priority:  medium        |                       Status:
           Component:  Unclassified  |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  bind10-1.2-release-freeze
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  0             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Changes (by muks):

 * owner:  muks => UnAssigned
 * status:  assigned => reviewing


Comment:

 Up for review.

 The `src/lib/dhcpsrv/tests/mysql_lease_mgr_unittest.cc` reports were not
 fixed as these are bogus. There is a different ticket (#3004) open to
 track them.

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Ticket URL: <http://bind10.isc.org/ticket/3312#comment:2>
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