save Config in Transport Class

src/pEpTransportMail.hh

@@ -103,6 +103,7 @@ namespace pEp {
             void throwInvalidState();
             Adapter::pEpLog::pEpLogger& m4gic_logger_n4me = logger;
 
+            ::pEp_identity* own_ident;
             Login login_smtp;
             Login login_imap;
         };