spl: atoken error redesign (#1507)

spl/src/associated_token.rs

@@ -1,11 +1,11 @@
 use anchor_lang::solana_program::account_info::AccountInfo;
-use anchor_lang::solana_program::entrypoint::ProgramResult;
 use anchor_lang::solana_program::pubkey::Pubkey;
+use anchor_lang::Result;
 use anchor_lang::{context::CpiContext, Accounts};
 
 pub use spl_associated_token_account::{get_associated_token_address, ID};
 
-pub fn create<'info>(ctx: CpiContext<'_, '_, '_, 'info, Create<'info>>) -> ProgramResult {
+pub fn create<'info>(ctx: CpiContext<'_, '_, '_, 'info, Create<'info>>) -> Result<()> {
     let ix = spl_associated_token_account::create_associated_token_account(
         ctx.accounts.payer.key,
         ctx.accounts.authority.key,
@@ -24,6 +24,7 @@ pub fn create<'info>(ctx: CpiContext<'_, '_, '_, 'info, Create<'info>>) -> Progr
         ],
         ctx.signer_seeds,
     )
+    .map_err(Into::into)
 }
 
 #[derive(Accounts)]