Remove duplicate call to BufferHandler::close, fixes #386

src/Monolog/Handler/BufferHandler.php

@@ -91,6 +91,13 @@ class BufferHandler extends AbstractHandler
         $this->clear();
     }
 
+    public function __destruct()
+    {
+        // suppress the parent behavior since we already have register_shutdown_function()
+        // to call close(), and the reference contained there will prevent this from being
+        // GC'd until the end of the request
+    }
+
     /**
      * {@inheritdoc}
      */