PR fixes.

Signed-off-by: mark-terry <mark.terry@consensys.net>

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/util/LogUtil.java

@@ -26,14 +26,14 @@ public static void throttledLog(
       final String logMessage,
       final AtomicBoolean shouldLog,
       final int logRepeatDelay) {
+
+    final ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
+
     if (shouldLog.compareAndSet(true, false)) {
       logger.accept(logMessage);
-      final ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
+
       final Runnable runnable =
-          () -> {
-            shouldLog.set(true);
-            executor.shutdown();
-          };
+          () -> shouldLog.set(true);
       executor.schedule(runnable, logRepeatDelay, TimeUnit.SECONDS);
     }
   }

ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/sync/fastsync/FastSyncTargetManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright ConsenSys AG.
+ * Copyright Hyperledger Besu Contributors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at