Function spl_governance::tools::spl_token::set_spl_token_mint_authority

pub fn set_spl_token_mint_authority<'a>(
    mint_info: &AccountInfo<'a>, 
    mint_authority: &AccountInfo<'a>, 
    new_mint_authority: &Pubkey, 
    spl_token_info: &AccountInfo<'a>
) -> Result<(), ProgramError>

Sets new mint authority