Tell spice to always stream when we are in full screen mode.

This saves time waiting for spin up.
Acked-by: Frediano Ziglio <fziglio@redhat.com>

src/spice.c

@@ -568,6 +568,9 @@ static void set_options(spice_t *s, options_t *options)
     if (options->codecs)
         spice_server_set_video_codecs(s->server, options->codecs);
 
+    if (options->full_screen_fps > 0)
+        spice_server_set_streaming_video(s->server, SPICE_STREAM_VIDEO_ALL);
+
     spice_server_set_exit_on_disconnect(s->server, options->exit_on_disconnect);
 
 }