From: Sergei Golovan
Subject: Patch add missing variable declaration.
Date: Wed, 09 Apr 2025 10:17:46 +0300

--- a/modules/dns/dns.tcl
+++ b/modules/dns/dns.tcl
@@ -953,6 +953,7 @@
 # Description:
 #  file event handler for udp sockets.
 proc ::dns::UdpEvent {token} {
+    variable log
     # FRINK: nocheck
     variable $token
     upvar 0 $token state