diff -r 459da34cdb45 -r 83cc6bae1de8 emailservices/emailstore/base_plugin/inc/BasePlugin.h
--- a/emailservices/emailstore/base_plugin/inc/BasePlugin.h	Fri Sep 03 17:52:02 2010 +0300
+++ b/emailservices/emailstore/base_plugin/inc/BasePlugin.h	Wed Sep 15 12:09:55 2010 +0300
@@ -331,7 +331,8 @@
             const TFSMailMsgId& aParentFolderId,
             const TFSMailMsgId& aMessageId,
             const TFSMailMsgId& aMessagePartId,
-            RFile& aFileHandle );
+            RFile& aFileHandle,
+            TBool aForWriting = EFalse);
 
          virtual void CopyMessagePartFileL(
             const TFSMailMsgId& aMailBoxId,