[Concurrency] Fix build in actors as locks configuration (#75004)

Author: ktoso

stdlib/public/Concurrency/Actor.cpp

@@ -1274,6 +1274,13 @@ static NonDefaultDistributedActorImpl *asImpl(NonDefaultDistributedActor *actor)
 /******************** NEW DEFAULT ACTOR IMPLEMENTATION ***********************/
 /*****************************************************************************/
 
+TaskExecutorRef TaskExecutorRef::fromTaskExecutorPreference(Job *job) {
+  if (auto task = dyn_cast<AsyncTask>(job)) {
+    return task->getPreferredTaskExecutor();
+  }
+  return TaskExecutorRef::undefined();
+}
+
 #if !SWIFT_CONCURRENCY_ACTORS_AS_LOCKS
 
 static void traceJobQueue(DefaultActorImpl *actor, Job *first) {
@@ -1320,13 +1327,6 @@ void DefaultActorImpl::scheduleActorProcessJob(
   swift_task_enqueueGlobal(job);
 }
 
-TaskExecutorRef TaskExecutorRef::fromTaskExecutorPreference(Job *job) {
-  if (auto task = dyn_cast<AsyncTask>(job)) {
-    return task->getPreferredTaskExecutor();
-  }
-  return TaskExecutorRef::undefined();
-}
-
 void DefaultActorImpl::enqueue(Job *job, JobPriority priority) {
   // We can do relaxed loads here, we are just using the current head in the
   // atomic state and linking that into the new job we are inserting, we don't