[gnome-calendar] new-calendar-page: Reenable file filter

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

commit fcfa403902e3fa2736d1678a2306453413e7079e
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Jun 25 11:39:06 2019 -0300

    new-calendar-page: Reenable file filter
    
    We were blocked on a GtkBuilder issue [1].
    
    [1] https://gitlab.gnome.org/GNOME/gtk/issues/1973

 data/ui/new-calendar-page.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/ui/new-calendar-page.ui b/data/ui/new-calendar-page.ui
index a609012a..273e568e 100644
--- a/data/ui/new-calendar-page.ui
+++ b/data/ui/new-calendar-page.ui
@@ -133,7 +133,7 @@
         <child>
           <object class="GtkFileChooserButton" id="calendar_file_chooser_button">
             <property name="visible">True</property>
-            <!-- <property name="filter">calendar_file_filter</property> -->
+            <property name="filter">calendar_file_filter</property>
             <property name="title" translatable="yes">Open a File</property>
             <signal name="file-set" handler="on_file_chooser_button_file_set_cb" 
object="GcalNewCalendarPage" swapped="no" />
           </object>