[MacPorts] #53625: qscintilla: requires C++11

[MacPorts]

#53625: qscintilla: requires C++11
--------------------+------------------------
 Reporter:  mojca   |      Owner:  michaelld
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  qscintilla
--------------------+------------------------
 qscintilla no longer compiles without C++11:

 {{{
 ../src/Document.cpp:22:10: fatal error: 'regex' file not found
 #include <regex>
          ^
 }}}

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Ticket URL: <https://trac.macports.org/ticket/53625>
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