main: Always initialize logging

Part-of: <https://gitlab.gnome.org/GNOME/gnome-calendar/-/merge_requests/858>

src/main.c

@@ -18,6 +18,7 @@
 
 #include "config.h"
 #include "gcal-application.h"
+#include "gcal-log.h"
 
 #include <glib/gi18n.h>
 
@@ -34,6 +35,8 @@ main (gint    argc,
 
   g_set_application_name (_("Calendar"));
 
+  gcal_log_init ();
+
   app = gcal_application_new ();
 
   return g_application_run (G_APPLICATION (app), argc, argv);