[gnome-calendar] calendars-page: Fix callback parameters

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 39ebc5457afe213928b625e23ba9d57f54beffde
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Jun 24 20:58:06 2019 -0300

    calendars-page: Fix callback parameters

 src/gui/calendar-management/gcal-calendars-page.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/gui/calendar-management/gcal-calendars-page.c 
b/src/gui/calendar-management/gcal-calendars-page.c
index 25261c99..29074ef6 100644
--- a/src/gui/calendar-management/gcal-calendars-page.c
+++ b/src/gui/calendar-management/gcal-calendars-page.c
@@ -278,8 +278,8 @@ on_calendar_color_changed_cb (GcalCalendar *calendar,
 }
 
 static void
-on_close_notification_button_clicked_cb (GcalCalendarsPage *self,
-                                         GtkWidget         *button)
+on_close_notification_button_clicked_cb (GtkWidget         *button,
+                                         GcalCalendarsPage *self)
 {
   g_assert (self->removed_calendar != NULL);