Fixed small memory leak in App::StartServer()

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

app.cpp

@@ -973,7 +973,7 @@ int App::StartServer() {
 		break;
 	}
 
-	delete args;
+	delete [] args;
 
 	serverStarted = true;