navigation: Add since tag for new API

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/647>

diff --git a/gst-libs/gst/video/navigation.h b/gst-libs/gst/video/navigation.h
index b366001..ced2892 100644 (file)
--- a/gst-libs/gst/video/navigation.h
+++ b/gst-libs/gst/video/navigation.h
@@ -262,7 +262,7 @@ gboolean        gst_navigation_message_parse_event          (GstMessage *message
  * gst_navigation_event_parse_command() to extract the details from the event.
  * @GST_NAVIGATION_EVENT_MOUSE_SCROLL: A mouse scroll event. Use
  * gst_navigation_event_parse_mouse_scroll_event() to extract the details from
- * the event.
+ * the event. (Since: 1.18)
  *
  * Enum values for the various events that an element implementing the
  * GstNavigation interface might send up the pipeline.