Documentation: Fix dead URLs to ftp.kernel.org

As ftp.kernel.org is closed [0], this commit fixes dead URLs in
documents to use www.kernel.org instead.

[0] https://www.kernel.org/shutting-down-ftp-services.html

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst
index e4f2503..01c5dbc 100644
--- a/Documentation/process/changes.rst
+++ b/Documentation/process/changes.rst
@@ -349,7 +349,7 @@
 Binutils
 --------
 
-- <ftp://ftp.kernel.org/pub/linux/devel/binutils/>
+- <https://www.kernel.org/pub/linux/devel/binutils/>
 
 OpenSSL
 -------
@@ -362,17 +362,17 @@
 Util-linux
 ----------
 
-- <ftp://ftp.kernel.org/pub/linux/utils/util-linux/>
+- <https://www.kernel.org/pub/linux/utils/util-linux/>
 
 Ksymoops
 --------
 
-- <ftp://ftp.kernel.org/pub/linux/utils/kernel/ksymoops/v2.4/>
+- <https://www.kernel.org/pub/linux/utils/kernel/ksymoops/v2.4/>
 
 Module-Init-Tools
 -----------------
 
-- <ftp://ftp.kernel.org/pub/linux/kernel/people/rusty/modules/>
+- <https://www.kernel.org/pub/linux/utils/kernel/module-init-tools/>
 
 Mkinitrd
 --------
@@ -402,7 +402,7 @@
 Pcmciautils
 -----------
 
-- <ftp://ftp.kernel.org/pub/linux/utils/kernel/pcmcia/>
+- <https://www.kernel.org/pub/linux/utils/kernel/pcmcia/>
 
 Quota-tools
 -----------