[monitoring-plugins] Add forgotten Makefile change

[Lorenz Kästle]

 Module: monitoring-plugins
 Branch: master
 Commit: d2596feaa090c73353412d252cfb7938a9141f9b
 Author: Lorenz Kästle <12514511+RincewindsHat at users.noreply.github.com>
   Date: Thu Mar 13 14:59:35 2025 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=d2596fea

Add forgotten Makefile change

---

 plugins/Makefile.am | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index 9e4924c3..30ca63d1 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -58,6 +58,7 @@ EXTRA_DIST = t \
 			 check_time.d \
 			 check_nagios.d \
 			 check_dbi.d \
+			 check_tcp.d \
 			 check_real.d \
 			 check_ssh.d \
 			 check_nt.d \