Warn user on attempting to remove build directory for make clean

Makefile

@@ -25,6 +25,9 @@ test-release: build-release
 all-release: build-release
 
 clean:
+	@echo "WARNING: Back-up your wallet if it exists within ./build!" ; \
+        read -r -p "This will destroy the build directory, continue (y/N)?: " CONTINUE; \
+	[ $$CONTINUE = "y" ] || [ $$CONTINUE = "Y" ] || (echo "Exiting."; exit 1;)
 	rm -rf build
 
 tags:

src/wallet/wallet2.cpp

@@ -38,7 +38,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, uint64_
   uint64_t tx_money_got_in_outs = 0;
   crypto::public_key tx_pub_key = null_pkey;
   bool r = parse_and_validate_tx_extra(tx, tx_pub_key);
-  THROW_WALLET_EXCEPTION_IF(!r, error::tx_extra_parse_error, tx);
+  // THROW_WALLET_EXCEPTION_IF(!r, error::tx_extra_parse_error, tx);
 
   r = lookup_acc_outs(m_account.get_keys(), tx, tx_pub_key, outs, tx_money_got_in_outs);
   THROW_WALLET_EXCEPTION_IF(!r, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());