Add webm extension to formats 43 and 45 (fixes issue #139)

diff --git a/youtube-dl b/youtube-dl
index 514f71aa643883a333694b561adae42118162db2..ebf510d218a4c41c66f470bce60eb31800872d55 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -691,6 +691,8 @@ class YoutubeIE(InfoExtractor):
                '18': 'mp4',
                '22': 'mp4',
                '37': 'mp4',
+               '43': 'webm',
+               '45': 'webm',
        }
 
        @staticmethod