coverity#1202967 Uninitialized pointer field

Change-Id: I60fb3b74d7f4d430776f53c2f4b37c63a0e5166d

tools/source/inet/inetmsg.cxx

@@ -678,6 +678,7 @@ INetMIMEMessage::INetMIMEMessage()
 
 INetMIMEMessage::INetMIMEMessage (const INetMIMEMessage& rMsg)
     : INetRFC822Message (rMsg)
+    , pParent(NULL)
 {
     CopyImp (rMsg);
 }