From 68d0e4664a6670997c9aaef2e75c38614775c04f Mon Sep 17 00:00:00 2001
From: dickelbeck <Unknown>
Date: Mon, 30 Mar 2009 19:28:54 +0000
Subject: [PATCH] Mac fix

---
 pcbnew/editrack.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pcbnew/editrack.cpp b/pcbnew/editrack.cpp
index 3419cec253..7de68e0274 100644
--- a/pcbnew/editrack.cpp
+++ b/pcbnew/editrack.cpp
@@ -683,6 +683,10 @@ void ShowNewTrackWhenMovingCursor( WinEDA_DrawPanel* panel, wxDC* DC, bool erase
         ( (WinEDA_BasePcbFrame*) (panel->m_Parent) )->trace_ratsnest_pad( DC );
     }
 
+    // MacOSX seems to need this.
+    if( g_CurrentTrackList.GetCount() == 0 )
+        return;
+
     /* dessin de la nouvelle piste : mise a jour du point d'arrivee */
     g_CurrentTrackSegment->SetLayer( screen->m_Active_Layer );
     if( ! g_DesignSettings.m_UseConnectedTrackWidth )