npapi: fix vlcpp fetch
npapi: fix vlcpp fetch

VLC itself has no submodules

(cherry picked from commit 1f51cbc7439fbcd19d8a33c7a2809401951c8f76)
Signed-off-by: Jean-Baptiste Kempf <7b85a41a628204b76aba4326273a3ccc74bd009a@videolan.org>

jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2