From 4f69e0a753fe22236e88c3cbebcf910d41f90a27 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Tue, 20 Oct 2009 19:10:51 +0000
Subject: SCI: Fix for _vocab_free_empty_rule_list

svn-id: r45278
---
 engines/sci/engine/grammar.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'engines/sci')

diff --git a/engines/sci/engine/grammar.cpp b/engines/sci/engine/grammar.cpp
index 3860f0600a..8c6c93e583 100644
--- a/engines/sci/engine/grammar.cpp
+++ b/engines/sci/engine/grammar.cpp
@@ -51,6 +51,7 @@ struct ParseRule {
 	Common::Array<int> _data;	/**< actual data */
 
 	~ParseRule() {
+		assert(_allocd_rules > 0);
 		--_allocd_rules;
 	}
 
@@ -315,6 +316,7 @@ static void _vocab_free_empty_rule_list(ParseRuleList *list) {
 	if (list->next)
 		_vocab_free_empty_rule_list(list->next);
 	list->next = 0;
+	list->rule = 0;
 	delete list;
 }
 
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