Fix dead URLs to ftp.kernel.org

URLs to ftp.kernel.org are still exist though the service is closed [0].
This commit fixes the URLs 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>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/scripts/ksymoops/README b/scripts/ksymoops/README
index f6cb06e..4130439 100644
--- a/scripts/ksymoops/README
+++ b/scripts/ksymoops/README
@@ -1,8 +1,7 @@
 ksymoops has been removed from the kernel.  It was always meant to be a
 free standing utility, not linked to any particular kernel version.
 The latest version can be found in
-ftp://ftp.<country>.kernel.org/pub/linux/utils/kernel/ksymoops together
-with patches to other utilities in order to give more accurate Oops
-debugging.
+https://www.kernel.org/pub/linux/utils/kernel/ksymoops together with patches to
+other utilities in order to give more accurate Oops debugging.
 
 Keith Owens <kaos@ocs.com.au> Sat Jun 19 10:30:34 EST 1999