[gtk+] Drop gratitious use of GdkPoint

[Matthias Clasen <matthiasc src gnome org>]

commit f307fa99a5d565f021c4f2eb052e43f975723f60
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Dec 26 11:30:37 2017 -0500

    Drop gratitious use of GdkPoint
    
    This is the only use of this undocumented struct,
    and it does not make this code any better. Just drop it.

 gtk/gtkgestureswipe.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkgestureswipe.c b/gtk/gtkgestureswipe.c
index bb35572..65a80ca 100644
--- a/gtk/gtkgestureswipe.c
+++ b/gtk/gtkgestureswipe.c
@@ -50,7 +50,8 @@ typedef struct _EventData EventData;
 struct _EventData
 {
   guint32 evtime;
-  GdkPoint point;
+  int x;
+  int y;
 };
 
 struct _GtkGestureSwipePrivate
@@ -140,8 +141,8 @@ gtk_gesture_swipe_update (GtkGesture       *gesture,
   _gtk_gesture_get_last_update_time (gesture, sequence, &new.evtime);
   gtk_gesture_get_point (gesture, sequence, &x, &y);
 
-  new.point.x = x;
-  new.point.y = y;
+  new.x = x;
+  new.y = y;
 
   _gtk_gesture_swipe_clear_backlog (swipe, new.evtime);
   g_array_append_val (priv->events, new);
@@ -172,8 +173,8 @@ _gtk_gesture_swipe_calculate_velocity (GtkGestureSwipe *gesture,
   end = &g_array_index (priv->events, EventData, priv->events->len - 1);
 
   diff_time = end->evtime - start->evtime;
-  diff_x = end->point.x - start->point.x;
-  diff_y = end->point.y - start->point.y;
+  diff_x = end->x - start->x;
+  diff_y = end->y - start->y;
 
   if (diff_time == 0)
     return;