libopenwebrtc.exp: Remove g_local_directory_monitor_get_type from export symbols
libopenwebrtc.exp: Remove g_local_directory_monitor_get_type from export symbols

GLib 2.46 removed this and it was never public API anyway and is ununsed
in OWR.

https://github.com/EricssonResearch/openwebrtc/issues/494

ford-prefect/openwebrtc,shoreflyer/openwebrtc,stefhak/openwebrtc,ford-prefect/openwebrtc,pererikb/openwebrtc,philn/openwebrtc,philn/openwebrtc,multipath-rtp/openwebrtc,adozenlines/openwebrtc,EricssonResearch/openwebrtc,EricssonResearch/openwebrtc,shoreflyer/openwebrtc,adozenlines/openwebrtc,EricssonResearch/openwebrtc,shoreflyer/openwebrtc,ford-prefect/openwebrtc,stefhak/openwebrtc,danielwegener/openwebrtc,ford-prefect/openwebrtc,alessandrod/openwebrtc,alessandrod/openwebrtc,adozenlines/openwebrtc,EricssonResearch/openwebrtc,stefhak/openwebrtc,philn/openwebrtc,multipath-rtp/openwebrtc,alessandrod/openwebrtc,pererikb/openwebrtc,EricssonResearch/openwebrtc,philn/openwebrtc,EricssonResearch/openwebrtc,ford-prefect/openwebrtc,stefhak/openwebrtc,adozenlines/openwebrtc,alessandrod/openwebrtc,danielwegener/openwebrtc,danielwegener/openwebrtc,multipath-rtp/openwebrtc,shoreflyer/openwebrtc,stefhak/openwebrtc,stefhak/openwebrtc,danielwegener/openwebrtc,shoreflyer/openwebrtc,pererikb/openwebrtc,pererikb/openwebrtc,shoreflyer/openwebrtc,pererikb/openwebrtc,multipath-rtp/openwebrtc,adozenlines/openwebrtc,shoreflyer/openwebrtc,philn/openwebrtc,multipath-rtp/openwebrtc,EricssonResearch/openwebrtc,multipath-rtp/openwebrtc,alessandrod/openwebrtc,philn/openwebrtc,ford-prefect/openwebrtc,danielwegener/openwebrtc,pererikb/openwebrtc,danielwegener/openwebrtc,adozenlines/openwebrtc,philn/openwebrtc,pererikb/openwebrtc,alessandrod/openwebrtc,multipath-rtp/openwebrtc