From 0c6d792648afc74ee3a39cfc3a0fe056cb477d31 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Sat, 14 Oct 2006 22:22:16 +0000
Subject: [PATCH] simplify/optimize: use provided L

---
 stepmania/src/LuaReference.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/stepmania/src/LuaReference.cpp b/stepmania/src/LuaReference.cpp
index a958dc978e..305a190f87 100644
--- a/stepmania/src/LuaReference.cpp
+++ b/stepmania/src/LuaReference.cpp
@@ -57,8 +57,8 @@ LuaReference &LuaReference::operator=( const LuaReference &cpy )
 
 void LuaReference::SetFromStack( Lua *L )
 {
-	Unregister();
-
+	if( m_iReference != LUA_NOREF )
+		luaL_unref( L, LUA_REGISTRYINDEX, m_iReference );
 	m_iReference = luaL_ref( L, LUA_REGISTRYINDEX );
 }