fix python binding for torrent_info::creation_date()

ChangeLog

@@ -1,3 +1,5 @@
+	* fix python binding for torrent_info::creation_date()
+
 1.1.10 release
 
 	* fix issue in udp_socket with unusual socket failure

bindings/python/src/datetime.cpp

@@ -137,5 +137,6 @@ void bind_datetime()
     >();
 
     optional_to_python<boost::posix_time::ptime>();
+    optional_to_python<std::time_t>();
 }
 

bindings/python/test.py

@@ -180,6 +180,7 @@ class test_torrent_info(unittest.TestCase):
 		self.assertEqual(f.file_name(0), 'test_torrent')
 		self.assertEqual(f.file_size(0), 1234)
 		self.assertEqual(info.total_size(), 1234)
+		self.assertEqual(info.creation_date(), None)
 
 	def test_metadata(self):
 		ti = lt.torrent_info('base.torrent');