[MacPorts] #63417: doxygen @1.9.2 build fails on 10.11.6

[MacPorts]

#63417: doxygen @1.9.2 build fails on 10.11.6
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 Reporter:  sambthompson                         |      Owner:  (none)
     Type:  defect                               |     Status:  new
 Priority:  Normal                               |  Milestone:
Component:  ports                                |    Version:  2.7.1
 Keywords:  matching constructor DotFilePatcher  |       Port:  doxygen
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 Build fails on my local machine; same errors as in the build-bot, starting
 at:


 {{{
 ... error: no matching constructor for initialization of 'value_type' (aka
 'pair<const std::__1::basic_string<char>, DotFilePatcher>')
 ...
 }}}

 Log at:
 https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/151490/steps
 /install-port/logs/stdio

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Ticket URL: <https://trac.macports.org/ticket/63417>
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