input-channel: add a comment to mark fallthrough in switch
input-channel: add a comment to mark fallthrough in switch

Signed-off-by: Uri Lublin <0332784c07b6f27b46541214503bc0da50f0f291@redhat.com>
Acked-by: Frediano Ziglio <55d48b080b2e443e395cde84d2c83b135a4ff48e@redhat.com>

fgouget/spice,fgouget/spice,fgouget/spice,fgouget/spice