dbwrapper: Move HandleError to dbwrapper_private

HandleError is implementation-specific.

src/paymentdisclosuredb.cpp

@@ -38,7 +38,7 @@ PaymentDisclosureDB::PaymentDisclosureDB(const boost::filesystem::path& dbPath)
     TryCreateDirectory(path);
     options.create_if_missing = true;
     leveldb::Status status = leveldb::DB::Open(options, path.string(), &db);
-    HandleError(status); // throws exception
+    dbwrapper_private::HandleError(status); // throws exception
     LogPrintf("PaymentDisclosure: Opened LevelDB successfully\n");
 }
 
@@ -62,7 +62,7 @@ bool PaymentDisclosureDB::Put(const PaymentDisclosureKey& key, const PaymentDisc
     leveldb::Slice slice(&ssValue[0], ssValue.size());
 
     leveldb::Status status = db->Put(writeOptions, key.ToString(), slice);
-    HandleError(status);
+    dbwrapper_private::HandleError(status);
     return true;
 }
 
@@ -80,7 +80,7 @@ bool PaymentDisclosureDB::Get(const PaymentDisclosureKey& key, PaymentDisclosure
         if (status.IsNotFound())
             return false;
         LogPrintf("PaymentDisclosure: LevelDB read failure: %s\n", status.ToString());
-        HandleError(status);
+        dbwrapper_private::HandleError(status);
     }
 
     try {