[RTEMS Project] #3311: Update waf.py for Sphinx 1.7 compatibility

[RTEMS trac]

#3311: Update waf.py for Sphinx 1.7 compatibility
------------------------------+--------------------------
 Reporter:  Richard Campbell  |       Owner:  Chris Johns
     Type:  defect            |      Status:  closed
 Priority:  normal            |   Milestone:
Component:  doc               |     Version:
 Severity:  normal            |  Resolution:  fixed
 Keywords:                    |  Blocked By:
 Blocking:                    |
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Changes (by Richard Campbell <richard.campbell@…>):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 In [changeset:"2a0664402bae83ece869b1f9f729952df0fb91a0/rtems-docs"
 2a06644/rtems-docs]:
 {{{
 #!CommitTicketReference repository="rtems-docs"
 revision="2a0664402bae83ece869b1f9f729952df0fb91a0"
 RTEMS Docs: Check sphinx version

 Sphinx.util.compat module was removed at Sphinx version 1.7.
 Imported module was not being used.

 Closes #3311.
 }}}

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Ticket URL: <http://devel.rtems.org/ticket/3311#comment:2>
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