Fixed private key version byte size

src/base58.cpp

@@ -340,3 +340,8 @@ bool CBitcoinSecret::SetString(const std::string& strSecret)
 {
     return SetString(strSecret.c_str());
 }
+
+unsigned int CBitcoinSecret::GetVersionBytes() const
+{
+    return 1;
+}

src/base58.h

@@ -101,7 +101,7 @@ private:
     const unsigned int m_versionBytesOld;
 
 private:
-    unsigned int GetVersionBytes() const;
+    virtual unsigned int GetVersionBytes() const;
 };
 
 /** base58-encoded Crown addresses.
@@ -151,6 +151,8 @@ public:
 
     CBitcoinSecret(const CKey& vchSecret) { SetKey(vchSecret); }
     CBitcoinSecret() {}
+private:
+    unsigned int GetVersionBytes() const;
 };
 
 template<typename K, int Size, CChainParams::Base58Type Type> class CBitcoinExtKeyBase : public CBase58Data