iprop: Slight test race condition fix

tests/kdc/check-iprop.in tends to wait for a log message then it reads a
status file.  Well, we shouldn't write the log message before writing
the status file then!

lib/kadm5/ipropd_slave.c

@@ -655,9 +655,8 @@ slave_status(krb5_context context,
 	(void) unlink(file);
 	return;
     }
-    krb5_warnx(context, "slave status change: %s", status);
-    
     rk_dumpdata(file, status, len);
+    krb5_warnx(context, "slave status change: %s", status);
     free(status);
 }