[MacPorts] #54654: cdda_interface.h breaks C++ builds

[MacPorts]

#54654: cdda_interface.h breaks C++ builds
----------------------+------------------------
 Reporter:  RJVB      |      Owner:
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:  haspatch  |       Port:  cdparanoia
----------------------+------------------------
 The cdda_interface.h header file from port:cdparanoia defines a struct
 with a member variable called `private`. That is not acceptable under C++
 but can be fixed with a simple patch to the *installed* headerfile:

 {{{
 reinplace "s|cdda_private_data_t \\*private;|cdda_private_data_t
 \\*private_data;|g" ${destroot}${prefix}/include/cdda_interface.h
 }}}

 Evidently one can also make this change throughout the code before
 building cdparanoia. I'm attaching a patch file from Debian which does
 that, as is (the 2 hunks for interface.c need fixing to apply after the
 current MacPorts patches).

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Ticket URL: <https://trac.macports.org/ticket/54654>
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