From a9045c727fab1cdcc530bc18e651334cf892d62c Mon Sep 17 00:00:00 2001
From: Stuart Pernsteiner <stuart@pernsteiner.org>
Date: Wed, 12 Dec 2012 21:13:26 -0800
Subject: [PATCH] fix use-after-free bug in mkString(Value&, Symbol&)

---
 src/libexpr/value.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libexpr/value.hh b/src/libexpr/value.hh
index c9ec236c4..91b4f78fa 100644
--- a/src/libexpr/value.hh
+++ b/src/libexpr/value.hh
@@ -131,7 +131,7 @@ static inline void mkStringNoCopy(Value & v, const char * s)
 
 static inline void mkString(Value & v, const Symbol & s)
 {
-    mkStringNoCopy(v, ((string) s).c_str());
+    mkStringNoCopy(v, ((const string &) s).c_str());
 }