From 9dc2a063a7990df6079bfc47b381554d9359ba99 Mon Sep 17 00:00:00 2001
From: Chris Danford <chrisdanford@users.sourceforge.net>
Date: Mon, 15 Jan 2007 12:00:48 +0000
Subject: [PATCH] fix out of bounds iterator in reverse

---
 stepmania/src/NoteData.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/stepmania/src/NoteData.cpp b/stepmania/src/NoteData.cpp
index c49fdb7b26..ce1208a176 100644
--- a/stepmania/src/NoteData.cpp
+++ b/stepmania/src/NoteData.cpp
@@ -987,7 +987,8 @@ NoteData::_all_tracks_iterator<ND, iter, TN>::_all_tracks_iterator( ND &nd, int
 		if( m_bReverse )
 		{
 			cur = end;
-			cur--;
+			if( cur != begin )
+				cur--;
 		}
 		else
 		{