docs: fix WinFsp link in mount documentation

Author: duncansmart

cmd/mountlib/mount.md

@@ -66,7 +66,7 @@ at all, then 1 PiB is set as both the total and the free size.
 ### Installing on Windows
 
 To run `rclone @ on Windows`, you will need to
-download and install [WinFsp](http://www.secfs.net/winfsp/).
+download and install [WinFsp](https://winfsp.dev).
 
 [WinFsp](https://github.com/winfsp/winfsp) is an open-source
 Windows File System Proxy which makes it easy to write user space file

librclone/README.md

@@ -44,7 +44,7 @@ omit symbol table and debug information, reducing size by about 25% on Linux and
 
 Note that on macOS and Windows the mount functions will not be available unless
 you add additional argument `-tags cmount`. On Windows this also requires you to
-first install the third party utility [WinFsp](http://www.secfs.net/winfsp/),
+first install the third party utility [WinFsp](https://winfsp.dev),
 with the "Developer" feature selected, and to set environment variable CPATH
 pointing to the fuse include directory within the WinFsp installation
 (typically `C:\Program Files (x86)\WinFsp\inc\fuse`). See also the