From 24ac95ef6ec9c043d5eeffa8a2b27d641c585408 Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Sun, 5 Mar 2023 18:12:03 +0900
Subject: [PATCH] [cvar] Ensure enum cvars tables don't get double freed

Currently doesn't happen, but all it takes is for two or more cvars to
use the same enum type.
---
 libs/util/cvar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/util/cvar.c b/libs/util/cvar.c
index a192bab64..66aaccdad 100644
--- a/libs/util/cvar.c
+++ b/libs/util/cvar.c
@@ -774,6 +774,7 @@ cvar_free_memory (void *ele, void *data)
 		exprenum_t *enm = cvar->value.type->data;
 		if (enm->symtab && enm->symtab->tab) {
 			Hash_DelTable (enm->symtab->tab);
+			enm->symtab->tab = 0;
 		}
 	}