[monitoring-plugins] Add null result for matching function

[Lorenz Kästle]

 Module: monitoring-plugins
 Branch: master
 Commit: 17a733585e7a054d105dcec8f60070ec6f0fb51a
 Author: Lorenz Kästle <12514511+RincewindsHat at users.noreply.github.com>
   Date: Thu Mar 13 12:31:19 2025 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=17a73358

Add null result for matching function

---

 lib/utils_tcp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/utils_tcp.h b/lib/utils_tcp.h
index d5999e9b..a7d83c59 100644
--- a/lib/utils_tcp.h
+++ b/lib/utils_tcp.h
@@ -11,6 +11,7 @@
  * server.
  */
 enum np_match_result {
+	NP_MATCH_NONE,
 	NP_MATCH_FAILURE,
 	NP_MATCH_SUCCESS,
 	NP_MATCH_RETRY