add one more concurrency test fix

Author: hyp

test/Concurrency/Runtime/data_race_detection_legacy_warning.swift

@@ -68,14 +68,14 @@ actor MyActor {
 struct Runner {
   static func main() async {
     print("Launching a main-actor task")
-    // CHECK: warning: data race detected: @MainActor function at main/data_race_detection_legacy_warning.swift:30 was not called on the main thread
+    // CHECK: warning: data race detected: @MainActor function at main/data_race_detection_legacy_warning.swift:32 was not called on the main thread
     launchFromMainThread()
     sleep(1)
 
     let actor = MyActor()
     let actorFn = await actor.getTaskOnMyActor()
     print("Launching an actor-instance task")
-    // CHECK: warning: data race detected: actor-isolated function at main/data_race_detection_legacy_warning.swift:59 was not called on the same actor
+    // CHECK: warning: data race detected: actor-isolated function at main/data_race_detection_legacy_warning.swift:61 was not called on the same actor
     launchTask(actorFn)
 
     sleep(1)