Merged revisions 1071858 via svnmerge from

https://svn.kde.org/home/kde/branches/kdepim/enterprise/kdepim

........
  r1071858 | winterz | 2010-01-08 17:43:05 -0500 (Fri, 08 Jan 2010) | 4 lines
  
  fix a possible crash in processNewMail when the namespace list for
  this folder is empty.
  MERGE: all
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svn path=/branches/kdepim/enterprise4/kdepim/; revision=1071863

kmacctcachedimap.cpp

@@ -229,7 +229,7 @@ void KMAcctCachedImap::processNewMail( KMFolderCachedImap* folder,
   mNoopTimer.stop();
 
   // reset namespace todo
-  if ( folder == mFolder ) {
+  if ( folder == mFolder && !namespaces().isEmpty() ) {
     QStringList nsToList = namespaces()[PersonalNS];
     QStringList otherNSToCheck = namespaces()[OtherUsersNS];
     otherNSToCheck += namespaces()[SharedNS];