added Serpent change
added Serpent change

open-keychain/spongycastle,Skywalker-11/spongycastle,open-keychain/spongycastle,Skywalker-11/spongycastle,open-keychain/spongycastle,Skywalker-11/spongycastle,bcgit/bc-java,bcgit/bc-java,bcgit/bc-java