core: fix logging the one time public key on error

src/cryptonote_core/cryptonote_tx_utils.cpp

@@ -245,7 +245,7 @@ namespace cryptonote
       {
         LOG_ERROR("derived public key mismatch with output public key at index " << idx << ", real out " << src_entr.real_output << "! "<< ENDL << "derived_key:"
           << string_tools::pod_to_hex(in_ephemeral.pub) << ENDL << "real output_public_key:"
-          << string_tools::pod_to_hex(src_entr.outputs[src_entr.real_output].second) );
+          << string_tools::pod_to_hex(src_entr.outputs[src_entr.real_output].second.dest) );
         LOG_ERROR("amount " << src_entr.amount << ", rct " << src_entr.rct);
         LOG_ERROR("tx pubkey " << src_entr.real_out_tx_key << ", real_output_in_tx_index " << src_entr.real_output_in_tx_index);
         return false;