python-vlc: fix return value in comment for libvlc methods using [OUT] parameters
python-vlc: fix return value in comment for libvlc methods using [OUT] parameters

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