And fix the resulting compile failures. I'm sorry about the patch necessary to gstclockoverlay.h but after talking to Tim we decided we can live with it.
Original commit message from CVS: Patch by: Kamil Pawlowski <kamilpe gmail com> * gst/subparse/Makefile.am: * gst/subparse/gstsubparse.c: (gst_sub_parse_data_format_autodetect), (gst_sub_parse_format_autodetect), (gst_sub_parse_sink_event), (gst_subparse_type_find): * gst/subparse/gstsubparse.h: * gst/subparse/mpl2parse.c: (mpl2_parse_line), (parse_mpl2): * gst/subparse/mpl2parse.h: Add support for MPL2 subtitle format (#413799).