SUNRPC: Fix trace_svc_register() call site

The trace event recorded incorrect values for the registered family,
protocol, and port because the arguments are in the wrong order.

Fixes: b4af5932 ("SUNRPC: Trace server-side rpcbind registration events")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

net/sunrpc/svc.c

@@ -1052,7 +1052,7 @@ static int __svc_register(struct net *net, const char *progname,
 #endif
 	}
 
-	trace_svc_register(progname, version, protocol, port, family, error);
+	trace_svc_register(progname, version, family, protocol, port, error);
 	return error;
 }