[rygel] engine-gst: Add accessor for seek request

[Jens Georg <jensgeorg src gnome org>]

commit 9da49189a53c0e569486230ab3c87d84fee90b3e
Author: Jens Georg <mail jensge org>
Date:   Sat May 2 11:49:24 2020 +0200

    engine-gst: Add accessor for seek request

 src/media-engines/gstreamer/rygel-gst-data-source.vala | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/media-engines/gstreamer/rygel-gst-data-source.vala 
b/src/media-engines/gstreamer/rygel-gst-data-source.vala
index 198ada54..e2ac9ba7 100644
--- a/src/media-engines/gstreamer/rygel-gst-data-source.vala
+++ b/src/media-engines/gstreamer/rygel-gst-data-source.vala
@@ -61,6 +61,10 @@ internal class Rygel.GstDataSource : Rygel.DataSource, GLib.Object {
         this.src = element;
     }
 
+    public HTTPSeekRequest? get_seek_request () {
+        return this.seek;
+    }
+
     public Gee.List<HTTPResponseElement>? preroll
                                         (HTTPSeekRequest? seek_request,
                                          PlaySpeedRequest? playspeed_request)