Fixed links

Author: gsteve88

articles/iot-hub/how-to-file-upload.md

@@ -30,15 +30,15 @@ These files are typically batch processed in the cloud, using tools such as [Azu
 
 For more information, see:
 
-* [Overview of file uploads with IoT Hub](../articles/iot-hub/iot-hub-devguide-file-upload.md)
+* [Overview of file uploads with IoT Hub](iot-hub-devguide-file-upload.md)
 
-* [Configure IoT Hub file uploads](../articles/iot-hub/iot-hub-configure-file-upload.md)
+* [Configure IoT Hub file uploads](iot-hub-configure-file-upload.md)
 
-* [Azure blob storage documentation](../articles/storage/blobs/storage-blobs-introduction.md)
+* [Azure blob storage documentation](../storage/blobs/storage-blobs-introduction.md)
 
-* [Azure blob storage API reference](../articles/storage/blobs/reference.md)
+* [Azure blob storage API reference](../storage/blobs/reference.md)
 
-* [Azure IoT SDKs](../articles/iot-hub/iot-hub-devguide-sdks.md)
+* [Azure IoT SDKs](iot-hub-devguide-sdks.md)
 
 [!INCLUDE [iot-hub-include-x509-ca-signed-file-upload-support-note](../../includes/iot-hub-include-x509-ca-signed-file-upload-support-note.md)]