From 3943ba773c09cbdf070804116eeb5223ef4eb1fc Mon Sep 17 00:00:00 2001
From: Steve Checkoway <stevecheckoway@users.sourceforge.net>
Date: Thu, 21 Sep 2006 07:33:51 +0000
Subject: [PATCH] Fix crash if lua_tostring() returns NULL. (Maybe not
 accepting NULL in RString wasn't a good idea.)

---
 stepmania/src/LuaManager.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/stepmania/src/LuaManager.cpp b/stepmania/src/LuaManager.cpp
index d75a33db11..d7cc707515 100644
--- a/stepmania/src/LuaManager.cpp
+++ b/stepmania/src/LuaManager.cpp
@@ -588,8 +588,7 @@ bool LuaHelpers::RunExpressionS( const RString &str, RString &sOut )
 	if( lua_isfunction( L, -1 ) )
 		RageException::Throw( "Result is a function; did you forget \"()\"?" );
 
-	sOut = lua_tostring( L, -1 );
-	lua_pop( L, 1 );
+	LuaHelpers::Pop( sOut, L );
 
 	LUA->Release( L );
 	return true;