formatting-sd-(windows).md: change guiformat link (#2650)

changed the guiformat link to the nh rehost which uses https

Author: fyredragon69

docs/formatting-sd-(windows).md

@@ -11,7 +11,7 @@ This page is for Windows users only. If you are not on Windows, check out the [F
 ## What You Need
 
 * **For all SD card sizes**: The latest version of [SD Formatter](https://www.sdcard.org/downloads/formatter/sd-memory-card-formatter-for-windows-download/)
-* **For SD cards 64GB or larger only:** The latest version of [guiformat](http://ridgecrop.co.uk/index.htm?guiformat.htm)
+* **For SD cards 64GB or larger only:** The latest version of [guiformat](https://nintendohomebrew.com/guiformat)
 
 ## Instructions