problem compiling most recent Firefox

[Jan Beich]

Robert Huff <roberthuff at rcn.com> writes:

> In file included from /data/port-work/usr/ports/www/firefox/work/.build/gfx/webrender_bindings/Unified_cpp_webrender_bindings0.cpp:20:
> /data/port-work/usr/ports/www/firefox/work/firefox-65.0/gfx/webrender_bindings/RenderCompositor.cpp:35:47: error: 
>       use of undeclared identifier 'RenderCompositorEGL'; did you mean
>       'RenderCompositorOGL'?
>   UniquePtr<RenderCompositor> eglCompositor = RenderCompositorEGL::Creat...
>                                               ^~~~~~~~~~~~~~~~~~~
>                                               RenderCompositorOGL

See https://svnweb.freebsd.org/changeset/ports/491042