From 876bfa5513ae175535a5e67e90973b712fce8399 Mon Sep 17 00:00:00 2001
From: "Andrew J. Schorr" <aschorr@telemetry-investments.com>
Date: Mon, 9 Apr 2012 08:17:06 -0400
Subject: Fix memory management bug in unset_ERRNO.

---
 eval.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'eval.c')

diff --git a/eval.c b/eval.c
index 82cca9ed..e3ab52eb 100644
--- a/eval.c
+++ b/eval.c
@@ -1021,7 +1021,7 @@ void
 unset_ERRNO(void)
 {
 	unref(ERRNO_node->var_value);
-	ERRNO_node->var_value = Nnull_string;
+	ERRNO_node->var_value = dupnode(Nnull_string);
 }
 
 /* update_NR --- update the value of NR */
-- 
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