trie: go fmt package

trie/proof.go

@@ -67,7 +67,7 @@ func (t *Trie) Prove(key []byte, fromLevel uint, proofDb ethdb.Putter) error {
 	}
 	hasher := newHasher(0, 0, nil)
 	defer returnHasherToPool(hasher)
-	
+
 	for i, n := range nodes {
 		// Don't bother checking for errors here since hasher panics
 		// if encoding doesn't work and we're not writing to any database.