fixup

Author: yumkam

ydb/library/yql/providers/generic/actors/yql_generic_lookup_actor.cpp

@@ -242,7 +242,7 @@ namespace NYql::NDq {
             actorSystem->Send(new NActors::IEventHandle(ParentId, SelfId(), errEv.release()));
         }
 
-        void Handle(TEvRetry::TPtr ev) {
+        void Handle(TEvRetry::TPtr) {
             auto guard = Guard(*Alloc);
             RetriesRemaining = ev->Get()->NextRetries;
             SendRequest();