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-rw-r--r--src/main.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main.h b/src/main.h
index 669ea7128a..abaedae207 100644
--- a/src/main.h
+++ b/src/main.h
@@ -190,7 +190,7 @@ void PartitionCheck(bool (*initialDownloadCheck)(), CCriticalSection& cs, const
/** Check whether we are doing an initial block download (synchronizing from disk or network) */
bool IsInitialBlockDownload();
/** Format a string that describes several potential problems detected by the core */
-std::string GetWarnings(std::string strFor);
+std::string GetWarnings(const std::string& strFor);
/** Retrieve a transaction (from memory pool, or from disk, if possible) */
bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock, bool fAllowSlow = false);
/** Find the best known block, and make it the tip of the block chain */