modify and replace the unavailable link in windows_build_instructions.md

"http://tortoisesvn.tigris.org/faq.html#cantmove2" is referenced in
"windows_build_instructions.md" but has not been available
(ERR_CONNECTION_TIMED_OUT).
This is probably due to the fact that "tortoisesvn.tigris.org" has been
changed to "tortoisesvn.net".
Replaced the link with
"https://tortoisesvn.net/faq.html#cantmove2" as the new link.

Change-Id: I700e17ab8ef181496a5f8cb5b9dce84b16d549a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3462028
Reviewed-by: Hiroki Nakagawa <[email protected]>
Commit-Queue: Hiroki Nakagawa <[email protected]>
Reviewed-by: Takashi Toyoshima <[email protected]>
Cr-Commit-Position: refs/heads/main@{#971026}
diff --git a/docs/windows_build_instructions.md b/docs/windows_build_instructions.md
index 1bfab77..3d32f2a 100644
--- a/docs/windows_build_instructions.md
+++ b/docs/windows_build_instructions.md
@@ -112,7 +112,7 @@
   it may appear to run properly, but msysgit, python, and other tools
   may not get installed correctly.
 * If you see strange errors with the file system on the first run of gclient,
-  you may want to [disable Windows Indexing](http://tortoisesvn.tigris.org/faq.html#cantmove2).
+  you may want to [disable Windows Indexing](https://tortoisesvn.net/faq.html#cantmove2).
 
 ## Check python install