rxrpc: Separate local endpoint event handling out into its own file

Separate local endpoint event handling out into its own file preparatory to
overhauling the object management aspect (which remains in the original
file).

Signed-off-by: David Howells <dhowells@redhat.com>

net/rxrpc/ar-internal.h

@@ -572,6 +572,11 @@ int rxrpc_server_keyring(struct rxrpc_sock *, char __user *, int);
 int rxrpc_get_server_data_key(struct rxrpc_connection *, const void *, time_t,
 			      u32);
 
+/*
+ * local_event.c
+ */
+extern void rxrpc_process_local_events(struct work_struct *);
+
 /*
  * local_object.c
  */