Minor application fixes

rugby.c

 #include "rugby-application.h"
 
 int
-main (int argc, char **argv)
+main (int    argc,
+      char **argv)
 {
 	RugbyApplication *app;
-	int status;
+	gint retval;
 
 	app = rugby_application_new ();
-	status = g_application_run (G_APPLICATION (app), argc, argv);
-	g_object_unref (app);
+	retval = g_application_run (G_APPLICATION (app), argc, argv);
 
-	return status;
+	return retval;
 }