linux-dmabuf-v1: fix missing SCANOUT flag
options->scanout_primary_output indicates an output on which scanout is desirable. Set the missing SCANOUT flag.
Fixes: 0c966f10 ("linux-dmabuf-v1: add wlr_linux_dmabuf_feedback_v1_init_with_options()")
options->scanout_primary_output indicates an output on which scanout is desirable. Set the missing SCANOUT flag.
Fixes: 0c966f10 ("linux-dmabuf-v1: add wlr_linux_dmabuf_feedback_v1_init_with_options()")