[master] 77d6d0be8 cache_vcl: Fix embarassing mistake in the new vdire facility

[Nils Goroll]

commit 77d6d0be8a91964e063cff98831a0ee8294a6958
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Mon May 26 15:56:44 2025 +0200

    cache_vcl: Fix embarassing mistake in the new vdire facility
    
    Ref b9a204082d73f3347b95e2c58e840849888d4ce2
    
    Spotted by Coverity, CID#1648026

diff --git a/bin/varnishd/cache/cache_vcl.c b/bin/varnishd/cache/cache_vcl.c
index 6a17004e1..944834b29 100644
--- a/bin/varnishd/cache/cache_vcl.c
+++ b/bin/varnishd/cache/cache_vcl.c
@@ -653,7 +653,7 @@ backend_event_delta(const struct vcl *vcl, enum vcl_event_e e, const struct vclt
 		VDI_Event(vdir->dir, e);
 		if (vdir == end)
 			break;
-		vdir = VTAILQ_NEXT(vdire->checkpoint, directors_list);
+		vdir = VTAILQ_NEXT(vdir, directors_list);
 	}
 }