Index: uspace/lib/c/include/async.h
===================================================================
--- uspace/lib/c/include/async.h	(revision 49a796f1d5e0783f179376793f1b84d4f6cf0bde)
+++ uspace/lib/c/include/async.h	(revision 55092672530a7c5f20b1e050bbe7c09cd6527df6)
@@ -492,4 +492,6 @@
     sysarg_t, sysarg_t, sysarg_t);
 
+errno_t async_spawn_notification_handler(void);
+
 #endif