Function solana_cli::vote::process_close_vote_account

pub fn process_close_vote_account(
    rpc_client: &RpcClient, 
    config: &CliConfig<'_>, 
    vote_account_pubkey: &Pubkey, 
    withdraw_authority: SignerIndex, 
    destination_account_pubkey: &Pubkey, 
    memo: Option<&String>, 
    fee_payer: SignerIndex
) -> ProcessResult