Make sure to start the frame timer after a buffer change
The buffer is considered changed right away, so we might not get any
add_changed() calls to trigger a start of the timer.
diff --git a/common/rfb/VNCServerST.cxx b/common/rfb/VNCServerST.cxx
index 43e8f3e..46c4be9 100644
--- a/common/rfb/VNCServerST.cxx
+++ b/common/rfb/VNCServerST.cxx
@@ -320,6 +320,7 @@
comparer = new ComparingUpdateTracker(pb);
renderedCursorInvalid = true;
+ startFrameClock();
// Make sure that we have at least one screen
if (screenLayout.num_screens() == 0)