On F24 i686 builders totem 3.20.1 fails to build with:

bacon-video-widget.c: In function 'bvw_handle_toc_message':
bacon-video-widget.c:2337:18: error: format '%li' expects argument of type 'long int', but argument 9 has type 'gint64 {aka long long int}' [-Werror=format=]
       GST_DEBUG ("Chapter #%d (start: %li stop: %li)", i, start, stop);
                  ^
/usr/include/gstreamer-1.0/gst/gstinfo.h:546:31: note: in definition of macro 'GST_CAT_LEVEL_LOG'
         (GObject *) (object), __VA_ARGS__);    \
                               ^~~~~~~~~~~
bacon-video-widget.c:2337:7: note: in expansion of macro 'GST_DEBUG'
       GST_DEBUG ("Chapter #%d (start: %li stop: %li)", i, start, stop);
       ^
bacon-video-widget.c:2337:18: error: format '%li' expects argument of type 'long int', but argument 10 has type 'gint64 {aka long long int}' [-Werror=format=]
       GST_DEBUG ("Chapter #%d (start: %li stop: %li)", i, start, stop);
                  ^
/usr/include/gstreamer-1.0/gst/gstinfo.h:546:31: note: in definition of macro 'GST_CAT_LEVEL_LOG'
         (GObject *) (object), __VA_ARGS__);    \
                               ^~~~~~~~~~~
bacon-video-widget.c:2337:7: note: in expansion of macro 'GST_DEBUG'
       GST_DEBUG ("Chapter #%d (start: %li stop: %li)", i, start, stop);