From 238bb1594c6d62cd955320c7d72452cb818489f9 Mon Sep 17 00:00:00 2001
From: "RichardAsh1981@gmail.com"
 <RichardAsh1981@gmail.com@47890b92-0858-11df-a26f-8b716316a5bc>
Date: Wed, 18 Sep 2013 19:48:44 +0000
Subject: [PATCH] Patch to avoid dereferences of invalid items by Campbell
 Barton, tested by Steve the Fiddle

---
 src/LabelDialog.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/LabelDialog.cpp b/src/LabelDialog.cpp
index 2940873ff..f54388253 100644
--- a/src/LabelDialog.cpp
+++ b/src/LabelDialog.cpp
@@ -644,10 +644,13 @@ void LabelDialog::OnSelectCell(wxGridEvent &event)
       t = iter.Next();
    }
 
-   RowData *rd;
-   rd = mData[event.GetRow()];
-   mViewInfo->sel0 = rd->stime;
-   mViewInfo->sel1 = rd->etime;
+   if (!mData.empty())
+   {
+      RowData *rd;
+      rd = mData[event.GetRow()];
+      mViewInfo->sel0 = rd->stime;
+      mViewInfo->sel1 = rd->etime;
+   }
 
    GetActiveProject()->RedrawProject();