guardianvideos: Fix parsing of metadata
guardianvideos: Fix parsing of metadata

Closes #2
Signed-off-by: Victor Toso <39b7599ff73bbf5db531748ba5250f21fa7120ff@redhat.com>

jasuarez/grilo-plugins,jasuarez/grilo-plugins,grilofw/grilo-plugins,GNOME/grilo-plugins,GNOME/grilo-plugins,grilofw/grilo-plugins