[gnome-control-center] main: Use g_autoptr to simplify code

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

commit 4a34b693ded2215e7767b119ee27760344fd6479
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sun Jan 21 10:37:29 2018 -0200

    main: Use g_autoptr to simplify code
    
    With g_autoptr, we don't need to manually unref the
    GtkApplication before returning its status. This
    saves a few lines of code.

 shell/main.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/shell/main.c b/shell/main.c
index 957dd1f..d323582 100644
--- a/shell/main.c
+++ b/shell/main.c
@@ -38,8 +38,7 @@
 int
 main (int argc, char **argv)
 {
-  GtkApplication *application;
-  int status;
+  g_autoptr(GtkApplication) application = NULL;
 
   bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
@@ -54,9 +53,6 @@ main (int argc, char **argv)
 #endif /* HAVE_CHEESE */
 
   application = cc_application_new ();
-  status = g_application_run (G_APPLICATION (application), argc, argv);
 
-  g_object_unref (application);
-
-  return status;
+  return g_application_run (G_APPLICATION (application), argc, argv);
 }