wayland: fix wayland-client cflags
This WAYLAND_CFLAGS was probably meant to be WAYLAND_CLIENT_CFLAGS. The former doesn't exist on my system, the latter is required for compilation to succeed.
This WAYLAND_CFLAGS was probably meant to be WAYLAND_CLIENT_CFLAGS. The former doesn't exist on my system, the latter is required for compilation to succeed.
VideoLAN code repository instance