Update code with PACKAGE_NAME and COPYRIGHT_HOLDERS

src/main.cpp

@@ -110,7 +110,7 @@ static void CheckBlockIndex(const Consensus::Params& consensusParams);
 /** Constant stuff for coinbase transactions we create: */
 CScript COINBASE_FLAGS;
 
-const string strMessageMagic = "BlackCoin Signed Message:\n";
+const string strMessageMagic = "Blackcoin Signed Message:\n";
 
 // Internal stuff
 namespace {