message: mainnet public spend enforcement height set
diff: @@ -164,7 +164,7 @@ public:
  nRejectOldSporkKey = 1527811200; //!> Fully reject old spork key after (GMT): Friday, June 1, 2018 12:00:00 AM
  // Public coin spend enforcement
  - nPublicZCSpends = 2000000;
  + nPublicZCSpends = 1880000;
  // Fake Serial Attack
  nFakeSerialBlockheightEnd = 1686229;
  