[gnome-calendar/gnome-3-22] month-view: fix warning on closing overflow popover

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

commit 677997ca562c4f7fca20eb97b2184c61dcb21c25
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Feb 27 08:53:49 2017 -0300

    month-view: fix warning on closing overflow popover

 src/gcal-month-view.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gcal-month-view.c b/src/gcal-month-view.c
index de0c288..df58303 100644
--- a/src/gcal-month-view.c
+++ b/src/gcal-month-view.c
@@ -1055,7 +1055,7 @@ gcal_month_view_init (GcalMonthView *self)
 
   self->overflow_popover = gtk_popover_new (GTK_WIDGET (self));
   gtk_style_context_add_class (gtk_widget_get_style_context (self->overflow_popover), "events");
-  g_signal_connect (self->overflow_popover, "hide", G_CALLBACK (overflow_popover_hide), self);
+  g_signal_connect_swapped (self->overflow_popover, "hide", G_CALLBACK (overflow_popover_hide), self);
   g_signal_connect_swapped (self->overflow_popover,
                             "drag-motion",
                             G_CALLBACK (cancel_dnd_from_overflow_popover),