simplewallet: print error when address is wrong

src/simplewallet/simplewallet.cpp

@@ -2175,7 +2175,10 @@ bool simple_wallet::transfer_main(int transfer_type, const std::vector<std::stri
     bool has_payment_id;
     crypto::hash8 new_payment_id;
     if (!cryptonote::get_account_address_from_str_or_url(de.addr, has_payment_id, new_payment_id, m_wallet->testnet(), local_args[i]))
+    {
+      fail_msg_writer() << tr("failed to parse address");
       return true;
+    }
 
     if (has_payment_id)
     {
@@ -2670,7 +2673,10 @@ bool simple_wallet::sweep_all(const std::vector<std::string> &args_)
   crypto::hash8 new_payment_id;
   cryptonote::account_public_address address;
   if (!cryptonote::get_account_address_from_str_or_url(address, has_payment_id, new_payment_id, m_wallet->testnet(), local_args[0]))
+  {
+    fail_msg_writer() << tr("failed to parse address");
     return true;
+  }
 
   if (has_payment_id)
   {