[gtk/gtk-3-24: 1/2] Fix leak of event structures

[Matthias Clasen <matthiasc src gnome org>]

commit fa2ae10599120416aeff1304c04ed232592db9b6
Author: Luca Bacci <luca bacci982 gmail com>
Date:   Mon Mar 1 10:51:38 2021 +0100

    Fix leak of event structures
    
    Inside generate_button_event, if _gdk_input_ignore_core is > 0 we
    leak an event structure. Fix that.

 gdk/win32/gdkevents-win32.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c
index 72339f736e..67df5026ec 100644
--- a/gdk/win32/gdkevents-win32.c
+++ b/gdk/win32/gdkevents-win32.c
@@ -1838,7 +1838,7 @@ generate_button_event (GdkEventType      type,
                        GdkWindow        *window,
                        MSG              *msg)
 {
-  GdkEvent *event = gdk_event_new (type);
+  GdkEvent *event;
   GdkDeviceManagerWin32 *device_manager;
   GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
 
@@ -1847,6 +1847,7 @@ generate_button_event (GdkEventType      type,
 
   device_manager = GDK_DEVICE_MANAGER_WIN32 (gdk_display_get_device_manager (gdk_display_get_default ()));
 
+  event = gdk_event_new (type);
   event->button.window = window;
   event->button.time = _gdk_win32_get_next_tick (msg->time);
   event->button.x = current_x = (gint16) GET_X_LPARAM (msg->lParam) / impl->window_scale;