rtphdrext: Use `set_metadata()` instead of `set_static_metadata()`

The latter needs a static string.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1583>

diff --git a/subprojects/gst-plugins-base/gst-libs/gst/rtp/gstrtphdrext.c b/subprojects/gst-plugins-base/gst-libs/gst/rtp/gstrtphdrext.c
index 3f7fb25..1116525 100644 (file)
--- a/subprojects/gst-plugins-base/gst-libs/gst/rtp/gstrtphdrext.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/rtp/gstrtphdrext.c
@@ -180,7 +180,7 @@ gst_rtp_header_extension_class_set_uri (GstRTPHeaderExtensionClass * klass,
 {
   GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
 
-  gst_element_class_add_static_metadata (element_class,
+  gst_element_class_add_metadata (element_class,
       GST_RTP_HEADER_EXTENSION_URI_METADATA_KEY, uri);
 }