BIND 10 #2665: fix clang static analyzer issues

[BIND 10 Development]

#2665: fix clang static analyzer issues
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            Reporter:  jreed         |                        Owner:
                Type:  task          |                       Status:  new
            Priority:  medium        |                    Milestone:
           Component:  Unclassified  |  Sprint-20130219
            Keywords:                |                   Resolution:
           Sensitive:  0             |                 CVSS Scoring:
         Sub-Project:  Core          |              Defect Severity:  N/A
Estimated Difficulty:  4             |  Feature Depending on Ticket:
         Total Hours:  0             |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Comment (by jinmei):

 Replying to [comment:4 jinmei]:

 This made it work:

 {{{
 % <path-to-scan-build>/scan-build -k make
 }}}

 and I fixed the remaining real issues at the trac2665 branch.  The
 errors about rrparamregistry and rrttl are false positive, and
 scan-build that comes with checker-270 doesn't complain about them
 any more.

 I'm now getting the branch review (btw I'm okay with the first
 commit by Curtis, so it can be excluded from review), and I suggest
 upgrade checker to eliminate the other false positives.

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Ticket URL: <http://bind10.isc.org/ticket/2665#comment:5>
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