add another check

Author: jumpsiegel

src/flamenco/runtime/tests/fd_dump_pb.c

@@ -273,6 +273,9 @@ dump_sanitized_transaction( fd_funk_t *                            funk,
   fd_acct_addr_t const * account_keys = fd_txn_get_acct_addrs( txn_descriptor, txn_payload );
   for( ulong i = 0; i < txn_descriptor->acct_addr_cnt; i++ ) {
     pb_bytes_array_t * account_key = fd_spad_alloc( spad, alignof(pb_bytes_array_t), PB_BYTES_ARRAY_T_ALLOCSIZE(sizeof(fd_pubkey_t)) );
+    if( FD_UNLIKELY( NULL == account_key ) ) {
+      FD_LOG_ERR(( "fd_spad_alloc failed" ));
+    }
     account_key->size = sizeof(fd_pubkey_t);
     memcpy( account_key->bytes, &account_keys[i], sizeof(fd_pubkey_t) );
     message->account_keys[i] = account_key;