python-vlc: add missing f.close() calls
python-vlc: add missing f.close() calls

kermit666/vlc-bindings-python,metakermit/vlc-bindings-python,kermit666/vlc-bindings-python,geoffsalmon/vlc-python,geoffsalmon/vlc-python,pombreda/git.videolan.org-vlc-bindings-python,pombreda/git.videolan.org-vlc-bindings-python,metakermit/vlc-bindings-python,oaubert/python-vlc,oaubert/python-vlc