Fixed failure of os.rename after receiving file finished due to file not being closed.

Following error happen while at the end of _do_download called try_rename
WindowsError: [Error 32] The process cannot access the file because it is being used by another process

diff --git a/youtube-dl b/youtube-dl
index d0584a3..6b5f569 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -640,6 +640,7 @@ class FileDownloader(object):
                        # Apply rate limit
                        self.slow_down(start, byte_counter)
 
+               stream.close()
                self.report_finish()
                if data_len is not None and str(byte_counter) != data_len:
                        raise ContentTooShortError(byte_counter, long(data_len))