VLCMedia: improve URL whitespace handling
VLCMedia: improve URL whitespace handling

Signed-off-by: Felix Paul Kühne <af44a38b4065def9b90f0b66e4658837dd45b77d@videolan.org>
(cherry picked from commit a8db76aecf5a704eb6a63b3ff601018923a92490)

simon1984/test,CollabraMusic/VLCKit,kamcord/VLCKit,kamcord/VLCKit,CollabraMusic/VLCKit,CollabraMusic/VLCKit,simon1984/test,kamcord/VLCKit,simon1984/test