message: Fix Typo In cardano.h
  Change `cardano_accont_delete` to `cardano_account_delete` to ensure that
  header actually works when used to compile C programs. The previous typo was
  preventing the header from being used as-is to build C programs.
diff: @@ -22,7 +22,7 @@ cardano_wallet *cardano_wallet_new_from_seed(const unsigned char * const seed_pt
  void cardano_wallet_delete(cardano_wallet *);
  cardano_account *cardano_account_create(cardano_wallet *wallet, const unsigned char *alias, unsigned int index);
  -void cardano_accont_delete(cardano_account *account);
  +void cardano_account_delete(cardano_account *account);
  unsigned long cardano_account_generate_addresses(cardano_account *account, int internal, unsigned int from_index, unsigned long num_indices, char *addresses_ptr[]);
  