[master] 468c55fe6 varnishtest: plug isignificant leak in vtc_proxy_tlv()

[Nils Goroll]

commit 468c55fe675c2bc71cbf2c941140bc28f071ae30
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Thu Mar 6 15:28:44 2025 +0100

    varnishtest: plug isignificant leak in vtc_proxy_tlv()
    
    CID 1643159

diff --git a/bin/varnishtest/vtc_proxy.c b/bin/varnishtest/vtc_proxy.c
index 4734ff77b..e8ec45ec6 100644
--- a/bin/varnishtest/vtc_proxy.c
+++ b/bin/varnishtest/vtc_proxy.c
@@ -133,6 +133,7 @@ vtc_proxy_tlv(struct vtclog *vl, struct vsb *vsb, const char *kva)
 		AZ(VSB_finish(vsb2));
 	}
 	AN(vsb2);
+	free(kv);
 
 	sz = VSB_len(vsb2);
 	assert(sz >= 0);