add lost pragma once (#10023)

Author: uzhastik

ydb/library/yql/dq/actors/compute/dq_sync_compute_actor_base.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include "dq_compute_actor_impl.h"
 #include "dq_compute_actor_async_input_helper.h"
 #include <ydb/library/yql/dq/actors/spilling/spiller_factory.h>

ydb/library/yql/dq/actors/spilling/channel_storage_actor.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include "spilling_counters.h"
 
 #include <ydb/library/yql/dq/runtime/dq_channel_storage.h>
@@ -55,4 +57,4 @@ class IDqChannelStorageActor
 IDqChannelStorageActor* CreateDqChannelStorageActor(TTxId txId, ui64 channelId, TWakeUpCallback&& wakeUpCallback, TErrorCallback&& errorCallback,
     TIntrusivePtr<TSpillingTaskCounters> spillingTaskCounters, NActors::TActorSystem* actorSystem);
 
-} // namespace NYql::NDq
+} // namespace NYql::NDq