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-rw-r--r--src/validation.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index d94b7c7d06..5d2b65c95c 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -3837,7 +3837,7 @@ bool CChainState::LoadBlockIndex(const Consensus::Params& consensus_params, CBlo
// Calculate nChainWork
std::vector<std::pair<int, CBlockIndex*> > vSortedByHeight;
vSortedByHeight.reserve(mapBlockIndex.size());
- for (const std::pair<uint256, CBlockIndex*>& item : mapBlockIndex)
+ for (const std::pair<const uint256, CBlockIndex*>& item : mapBlockIndex)
{
CBlockIndex* pindex = item.second;
vSortedByHeight.push_back(std::make_pair(pindex->nHeight, pindex));
@@ -3904,7 +3904,7 @@ bool static LoadBlockIndexDB(const CChainParams& chainparams)
// Check presence of blk files
LogPrintf("Checking all blk files are present...\n");
std::set<int> setBlkDataFiles;
- for (const std::pair<uint256, CBlockIndex*>& item : mapBlockIndex)
+ for (const std::pair<const uint256, CBlockIndex*>& item : mapBlockIndex)
{
CBlockIndex* pindex = item.second;
if (pindex->nStatus & BLOCK_HAVE_DATA) {