--- kdepim-3.5.9.enterprise.0.20080602.814375/kmail/kmfolderindex.cpp	2007-09-02 17:52:21.000000000 +0200
+++ kdepim-3.5.9.kmux.0.1/kmail/kmfolderindex.cpp	2008-08-12 23:05:58.000000000 +0200
@@ -188,6 +188,11 @@ int KMFolderIndex::writeIndex( bool crea
   }
   if( fclose( tmpIndexStream ) != 0 )
     return errno;
+ 
+  if ( mIndexStream ) {
+    fclose( mIndexStream );
+    mIndexStream = 0L;
+  }
 
   ::rename(QFile::encodeName(tempName), QFile::encodeName(indexName));
   mHeaderOffset = nho;