BIND 10 #2365: Do not reference Option::options_ protected member in derived classes.

[BIND 10 Development]

#2365: Do not reference Option::options_ protected member in derived classes.
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                   Reporter:         |                 Owner:  UnAssigned
  marcin                             |                Status:  reviewing
                       Type:         |             Milestone:  Sprint-
  defect                             |  DHCP-20121129
                   Priority:  low    |            Resolution:
                  Component:  dhcp   |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DHCP
            Defect Severity:  Low    |  Estimated Difficulty:  0
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by marcin):

 * owner:  marcin => UnAssigned
 * status:  accepted => reviewing


Comment:

 The two non-virtual functions have been added to '''Option''' object:
 - packOptions
 - unpackOptions.

 They are called from derived classes to pack/unpack suboptions.

 Please review.

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Ticket URL: <http://bind10.isc.org/ticket/2365#comment:6>
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