Return nullptr directly where std::unique_ptr is expected

The constructor of std::unique_ptr which takes nullptr is not explicit
so we can return nullptr directly.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/SimpleBtMessage.cc b/src/SimpleBtMessage.cc
index d59fc58e..4cddd824 100644
--- a/src/SimpleBtMessage.cc
+++ b/src/SimpleBtMessage.cc
@@ -65,7 +65,7 @@ void SimpleBtMessage::send() {
 
 std::unique_ptr<ProgressUpdate> SimpleBtMessage::getProgressUpdate()
 {
-  return std::unique_ptr<ProgressUpdate>{};
+  return nullptr;
 }
 
 } // namespace aria2