diff -r b19be87fd27a -r 84e48180ef67 libpurple/protocols/null/nullprpl.c
--- a/libpurple/protocols/null/nullprpl.c	Fri Oct 01 17:50:50 2021 -0500
+++ b/libpurple/protocols/null/nullprpl.c	Mon Oct 04 03:30:49 2021 -0500
@@ -1339,7 +1339,7 @@
 }
 
 static gboolean
-null_unload(GPluginPlugin *plugin, GError **error)
+null_unload(GPluginPlugin *plugin, gboolean shutdown, GError **error)
 {
   PurpleProtocolManager *manager = purple_protocol_manager_get_default();