Revision 494783

games/flightgear: unbreak with libc++ 8

In file included from utils/fgelev/fgelev.cxx:23:
In file included from /usr/include/c++/v1/iostream:38:
In file included from /usr/include/c++/v1/ios:216:
In file included from /usr/include/c++/v1/__locale:15:
In file included from /usr/include/c++/v1/string:505:
In file included from /usr/include/c++/v1/string_view:176:
In file included from /usr/include/c++/v1/__string:57:
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
2018.3.2
^

PR:		236192
Reported by:	pkg-fallout
Approved by:	portmgr blanket