net-p2p/torrent-file-editor: unbreak with libc++ 8

In file included from application.cpp:24:
In file included from application.h:24:
In file included from /usr/local/include/qt4/QtGui/QApplication:1:
In file included from /usr/local/include/qt4/QtGui/qapplication.h:45:
In file included from /usr/local/include/qt4/QtCore/qcoreapplication.h:45:
In file included from /usr/local/include/qt4/QtCore/qobject.h:47:
In file included from /usr/local/include/qt4/QtCore/qobjectdefs.h:45:
In file included from /usr/local/include/qt4/QtCore/qnamespace.h:45:
In file included from /usr/local/include/qt4/QtCore/qglobal.h:68:
In file included from /usr/include/c++/v1/algorithm:640:
In file included from /usr/include/c++/v1/initializer_list:47:
In file included from /usr/include/c++/v1/cstddef:38:
./version:1:1: error: expected unqualified-id
0.3.13
^

PR: 236192
Approved by: portmgr blanket