[libhandy/wip/haecker-felix/flap-widget] Fix broken animation

[Felix Häcker <haeckerfelix src gnome org>]

commit 692df112ef8a2133ca8f570835a6ef5f37b67fca
Author: Felix Häcker <haeckerfelix gnome org>
Date:   Sat Aug 1 21:27:46 2020 +0200

    Fix broken animation

 src/hdy-flap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/hdy-flap.c b/src/hdy-flap.c
index cdbdf1fb..d406643d 100644
--- a/src/hdy-flap.c
+++ b/src/hdy-flap.c
@@ -199,7 +199,7 @@ overlay_tick_cb (HdyFlap       *self,
   gint64 frame_time;
 
   frame_time = gdk_frame_clock_get_frame_time (frame_clock) / 1000;
-  t = (frame_time - self->overlay_start_time) / self->overlay_duration;
+  t = (gdouble) (frame_time - self->overlay_start_time) / self->overlay_duration;
 
   if (t >= 1) {
     self->overlay_progress = self->folded ? 1 : 0;
@@ -772,7 +772,7 @@ hdy_flap_set_flap (HdyFlap *self,
     return;
 
   if (self->flap)
-    gtk_widget_unparent(self->flap);
+    gtk_widget_unparent (self->flap);
 
   self->flap = flap;