fix build

Author: zvonand

src/Disks/ObjectStorages/IObjectStorage.h

@@ -290,9 +290,12 @@ class IObjectStorage
     virtual String getObjectsNamespace() const = 0;
 
     virtual std::unique_ptr<IObjectStorage> cloneObjectStorage(
-    const std::string & new_namespace,
-    const Poco::Util::AbstractConfiguration & config,
-    const std::string & config_prefix, ContextPtr context) = 0;
+    const std::string &,
+    const Poco::Util::AbstractConfiguration &,
+    const std::string &, ContextPtr)
+    {
+        throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Method 'cloneObjectStorage' is not implemented");
+    }
 
     /// Generate blob name for passed absolute local path.
     /// Path can be generated either independently or based on `path`.