Fix logging edge case.

Author: Fox2Code

loader/src/main/java/com/fox2code/foxloader/launcher/LoggerHelper.java

@@ -265,7 +265,9 @@ private static class DirectFileHandler extends StreamHandler {
         @Override
         public synchronized void publish(LogRecord record) {
             super.publish(record);
-            flush();
+            if (!Thread.currentThread().isInterrupted()) {
+                this.flush();
+            }
         }
     }