Code review comment for lp:~raof/mir/release-rendersurface-may-require-RPC

123 + StreamRelease stream_release{reinterpret_cast<MirBufferStream*>(render_surface),
124 + nullptr,
125 + reinterpret_cast<mir_buffer_stream_callback>(callback),
126 + ctx,
127 rs->stream_id().as_value(),
128 render_surface};

This is actually executed for PCs as well.