move set back to account-trie-update block scoping for easier readability

Author: jwasinger

core/state/statedb.go

@@ -1159,7 +1159,6 @@ func (s *StateDB) commit(deleteEmptyObjects bool) (*stateUpdate, error) {
 		start   = time.Now()
 		root    common.Hash
 		workers errgroup.Group
-		set     *trienode.NodeSet
 	)
 	// Schedule the account trie first since that will be the biggest, so give
 	// it the most time to crunch.
@@ -1172,7 +1171,8 @@ func (s *StateDB) commit(deleteEmptyObjects bool) (*stateUpdate, error) {
 	// code didn't anticipate for.
 	workers.Go(func() error {
 		// Write the account trie changes, measuring the amount of wasted time
-		root, set = s.trie.Commit(true)
+		newroot, set := s.trie.Commit(true)
+		root = newroot
 
 		if err := merge(set); err != nil {
 			return err