Cleanup: using sorting.

diff --git a/src/sound_asset.cc b/src/sound_asset.cc
index e3b8e38297c246b9570e87db8d5443f8f0430a87..8002f37a0fedc66ca620ef62117b67934eb487bd 100644 (file)
--- a/src/sound_asset.cc
+++ b/src/sound_asset.cc
@@ -56,11 +56,12 @@ LIBDCP_ENABLE_WARNINGS
 #include <stdexcept>
 
 
-using std::string;
-using std::vector;
+using std::dynamic_pointer_cast;
 using std::list;
 using std::shared_ptr;
-using std::dynamic_pointer_cast;
+using std::string;
+using std::vector;
+using boost::optional;
 using namespace dcp;