[master] 119832d5e Add missed include

[Nils Goroll]

commit 119832d5e964b01dd672ef6e15f4e2c128bd0c4e
Author: Kirill A. Korinsky <kirill at korins.ky>
Date:   Tue Nov 19 20:28:08 2024 +0100

    Add missed include

diff --git a/bin/varnishd/acceptor/cache_acceptor.h b/bin/varnishd/acceptor/cache_acceptor.h
index 79c7a0dec..3815b8289 100644
--- a/bin/varnishd/acceptor/cache_acceptor.h
+++ b/bin/varnishd/acceptor/cache_acceptor.h
@@ -30,6 +30,8 @@
  *
  */
 
+#include <pthread.h>
+
 /* cache_acceptor.c */
 struct listen_sock;
 struct listen_arg;