[monitoring-plugins] check_dns: Fix travis tests

[Nicolai]

 Module: monitoring-plugins
 Branch: master
 Commit: b9f00386a17290d7c6d900bcb4c25a13e8d1b368
 Author: Nicolai <NicolaiSoeborg at users.noreply.github.com>
   Date: Fri Dec 23 21:04:36 2016 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=b9f0038

check_dns: Fix travis tests

(or try to fix it...)

---

 plugins/t/NPTest.cache.travis | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/t/NPTest.cache.travis b/plugins/t/NPTest.cache.travis
index bcec985..8f72a55 100644
--- a/plugins/t/NPTest.cache.travis
+++ b/plugins/t/NPTest.cache.travis
@@ -6,6 +6,8 @@
   'NP_HOSTNAME_INVALID' => 'nosuchhost',
   'NP_HOSTNAME_VALID' => 'monitoringplugins.org',
   'NP_HOSTNAME_VALID_IP' => '130.133.8.40',
+  'NP_HOSTNAME_VALID_CIDR' => '130.133.8.41/30',
+  'NP_HOSTNAME_INVALID_CIDR' => '130.133.8.39/30',
   'NP_HOSTNAME_VALID_REVERSE' => 'orwell.monitoring-plugins.org.',
   'NP_HOST_DHCP_RESPONSIVE' => '',
   'NP_HOST_NONRESPONSIVE' => '10.0.0.1',