store: register block amino, not just crypto (#3894)

* store: register block amino, not just crypto

Fixes #3893

* update changelog

store/codec.go

@@ -2,11 +2,11 @@ package store
 
 import (
 	amino "github.com/tendermint/go-amino"
-	cryptoAmino "github.com/tendermint/tendermint/crypto/encoding/amino"
+	"github.com/tendermint/tendermint/types"
 )
 
 var cdc = amino.NewCodec()
 
 func init() {
-	cryptoAmino.RegisterAmino(cdc)
+	types.RegisterBlockAmino(cdc)
 }