docs: add flow combiner ref/unref to docs

So new-in-1.12 index actually has some entries.

diff --git a/docs/libs/gstreamer-libs-sections.txt b/docs/libs/gstreamer-libs-sections.txt
index 515eb76..42adf5b 100644 (file)
--- a/docs/libs/gstreamer-libs-sections.txt
+++ b/docs/libs/gstreamer-libs-sections.txt
@@ -839,6 +839,8 @@ gst_collect_pads_get_type
 GstFlowCombiner
 gst_flow_combiner_new
 gst_flow_combiner_free
+gst_flow_combiner_ref
+gst_flow_combiner_unref
 gst_flow_combiner_update_flow
 gst_flow_combiner_add_pad
 gst_flow_combiner_remove_pad