[Libreoffice] [REVIEW] fix for fdo#39728: check for empty local range names

Hello,

this patch checks if we have a local ScRangeName before it tries to use it.

I consider this patch safe and think it should be in 3-4 so Review& Sign-off
appreciated.

Regards,
Markus

From eda5da2df84567b4025cdfd2f94c0e425553db6c Mon Sep 17 00:00:00 2001
From: Markus Mohrhard <markus.mohrhard@googlemail.com>
Date: Tue, 2 Aug 2011 21:19:52 +0200
Subject: [PATCH] fix for fdo#39728: check for empty local range names

---
 sc/source/core/tool/compiler.cxx |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/sc/source/core/tool/compiler.cxx b/sc/source/core/tool/compiler.cxx
index b61b146..9f39358 100644
--- a/sc/source/core/tool/compiler.cxx
+++ b/sc/source/core/tool/compiler.cxx
@@ -2895,7 +2895,9 @@ sal_Bool ScCompiler::IsNamedRange( const String& rUpperName )
     // try local names first
     bool bGlobal = false;
     ScRangeName* pRangeName = pDoc->GetRangeName(aPos.Tab());
-    const ScRangeData* pData = pRangeName->findByUpperName(rUpperName);
+    const ScRangeData* pData = NULL;
+    if (pRangeName)
+        pData = pRangeName->findByUpperName(rUpperName);
     if (!pData)
     {
         pRangeName = pDoc->GetRangeName();
-- 
1.7.3.4