Initialize close_authority explicitly (#2919)

Author: Tyera Eulberg

token/program-2022/src/processor.rs

@@ -163,6 +163,7 @@ impl Processor {
 
         account.base.mint = *mint_info.key;
         account.base.owner = *owner;
+        account.base.close_authority = COption::None;
         account.base.delegate = COption::None;
         account.base.delegated_amount = 0;
         account.base.state = starting_state;

token/program/src/processor.rs

@@ -117,6 +117,7 @@ impl Processor {
 
         account.mint = *mint_info.key;
         account.owner = *owner;
+        account.close_authority = COption::None;
         account.delegate = COption::None;
         account.delegated_amount = 0;
         account.state = AccountState::Initialized;