Merge pull request #86 from VitaeTeam/bigsurfix

Fixed OSX compile error in accumulators.cpp

src/accumulators.cpp

@@ -20,7 +20,7 @@ std::list<uint256> listAccCheckpointsNoDB;
 uint32_t ParseChecksum(uint256 nChecksum, CoinDenomination denomination)
 {
     //shift to the beginning bit of this denomination and trim any remaining bits by returning 32 bits only
-    int pos = distance(zerocoinDenomList.begin(), find(zerocoinDenomList.begin(), zerocoinDenomList.end(), denomination));
+    int pos = std::distance(zerocoinDenomList.begin(), find(zerocoinDenomList.begin(), zerocoinDenomList.end(), denomination));
     nChecksum = nChecksum >> (32*((zerocoinDenomList.size() - 1) - pos));
     return nChecksum.Get32();
 }