added sphincsplus export.
exports org.bouncycastle.pqc.crypto.sphincs;
exports org.bouncycastle.pqc.crypto.util;
exports org.bouncycastle.pqc.crypto.xmss;
+ exports org.bouncycastle.pqc.crypto.sphincsplus;
exports org.bouncycastle.pqc.jcajce.interfaces;
exports org.bouncycastle.pqc.jcajce.provider;
exports org.bouncycastle.pqc.jcajce.provider.gmss;
