[gtk/gtk-3-24] progressbar: Never stop never stopping

[Benjamin Otte <otte src gnome org>]

commit e7bb83988f5d8228819e83a023cdb24dc3132fb7
Author: Benjamin Otte <otte redhat com>
Date:   Tue Jun 26 04:13:24 2018 +0200

    progressbar: Never stop never stopping
    
    Reinstate code that was accidentally deleted during the port to
    GtkProgressTracker in commit d57ebe2de7d.
    
    Without that code, pulsing the progressbar will stop doing anything
    after 3 iterations.

 gtk/gtkprogressbar.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkprogressbar.c b/gtk/gtkprogressbar.c
index 90936b0a30..4cb8437ab4 100644
--- a/gtk/gtkprogressbar.c
+++ b/gtk/gtkprogressbar.c
@@ -1226,7 +1226,10 @@ tick_cb (GtkWidget     *widget,
   priv->last_iteration = iteration;
 
   if (current_iterations > 3 * pulse_iterations)
-    return G_SOURCE_CONTINUE;
+    {
+      priv->pulse1 = 0;
+      return G_SOURCE_CONTINUE;
+    }
 
   /* advance the block */
   if (priv->activity_dir == 0)