[ard] Fix extraction

[mcspa]

Please follow the guide below

• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like this: [x])
• Use the Preview tab to see what your issue will actually look like

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2017.12.02. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2017.12.02

Before submitting an issue make sure you have:

• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

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The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add the -v flag to your command line you run youtube-dl with (youtube-dl -v <your command line>), copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'http://www.ardmediathek.de/tv/Sportschau/Skispringen-der-2-Durchgang-aus-Kuusa/Das-Erste/Video?bcastId=53524&documentId=47881448']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.12.02
[debug] Python version 2.7.6 - Linux-4.4.0-101-generic-x86_64-with-Ubuntu-14.04-trusty
[debug] exe versions: avconv 9.20-6, avprobe 9.20-6, rtmpdump 2.4
[debug] Proxy map: {}
[ARD:mediathek] 47881448: Downloading webpage
[ARD:mediathek] 47881448: Downloading media JSON
[ARD:mediathek] 47881448: Downloading f4m manifest
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/bin/youtube-dl/__main__.py", line 19, in <module>
  File "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 465, in main
  File "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 455, in _real_main
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1986, in download
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 784, in extract_info
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 437, in extract
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/ard.py", line 240, in _real_extract
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/ard.py", line 83, in _extract_media_info
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/ard.py", line 138, in _extract_formats
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 1207, in _extract_f4m_formats
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 650, in _download_xml
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 630, in _download_webpage
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 535, in _download_webpage_handle
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 506, in _request_webpage
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2196, in urlopen
  File "/usr/lib/python2.7/urllib2.py", line 396, in open
    protocol = req.get_type()
  File "/usr/lib/python2.7/urllib2.py", line 258, in get_type
    raise ValueError, "unknown url type: %s" % self.__original
ValueError: unknown url type: manifest.f4m?plugin=aasp-3.1.1.69.124&hdcore=3.1.1
...
<end of log>

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