vnc: refresh lossy rect after a given timeout

If an adaptive encoding has choosen to send a lossy update
based on the result of vnc_update_freq(), then it should advertise
it with vnc_sent_lossy_rect(). This will allow to automatically refresh
this rect once it's static again.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/ui/vnc-jobs-async.c b/ui/vnc-jobs-async.c
index 0b5d750..bfe8e86 100644
--- a/ui/vnc-jobs-async.c
+++ b/ui/vnc-jobs-async.c
@@ -166,6 +166,7 @@
     local->features = orig->features;
     local->ds = orig->ds;
     local->vd = orig->vd;
+    local->lossy_rect = orig->lossy_rect;
     local->write_pixels = orig->write_pixels;
     local->clientds = orig->clientds;
     local->tight = orig->tight;
@@ -182,6 +183,7 @@
     orig->tight = local->tight;
     orig->zlib = local->zlib;
     orig->hextile = local->hextile;
+    orig->lossy_rect = local->lossy_rect;
 }
 
 static int vnc_worker_thread_loop(VncJobQueue *queue)