gstplayer: don't use sd_event_source_disable_unref

Author: ardera

src/plugins/gstplayer.c

@@ -18,7 +18,6 @@
 #include <gst/gstelement.h>
 #include <gst/gstobject.h>
 
-
 #include "flutter-pi.h"
 #include "notifier_listener.h"
 #include "platformchannel.h"
@@ -971,7 +970,8 @@ struct gstplayer *gstplayer_new(struct flutterpi *flutterpi, const char *uri, vo
     return p;
 
 fail_rm_event_source:
-    sd_event_source_disable_unref(p->busfd_events);
+    sd_event_source_set_enabled(p->busfd_events, false);
+    sd_event_source_unref(p->busfd_events);
 
 fail_destroy_texture: UNUSED
     gst_object_unref(p->playbin);