Fix "accumulator does not verify" when spending zPIV.
Fix "accumulator does not verify" when spending zPIV.

zPIV that were minted between block 891730 and 895400 experience an error initializing the accumulator witness data correctly.

PIVX-Project/PIVX,benzmuircroft/REWIRE.io,Mrs-X/PIVX,presstab/PIVX,benzmuircroft/REWIRE.io,Mrs-X/Darknet,npccoin/npccoin,Mrs-X/PIVX,Mrs-X/PIVX,npccoin/npccoin,benzmuircroft/REWIRE.io,PIVX-Project/PIVX,Darknet-Crypto/Darknet,Mrs-X/PIVX,presstab/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,presstab/PIVX,npccoin/npccoin,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,npccoin/npccoin,benzmuircroft/REWIRE.io,presstab/PIVX,benzmuircroft/REWIRE.io,presstab/PIVX,benzmuircroft/REWIRE.io,Mrs-X/Darknet,npccoin/npccoin,npccoin/npccoin,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,Mrs-X/Darknet,Mrs-X/Darknet,Mrs-X/PIVX,Darknet-Crypto/Darknet,Mrs-X/Darknet,PIVX-Project/PIVX,Mrs-X/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,Mrs-X/Darknet,PIVX-Project/PIVX,presstab/PIVX