[PATCH] docs: admin-guide: update tiny script for number of taint flags

[Randy Dunlap]

Account for 2 new taint flags being added by increasing the number of
bits handled by the tiny show-tainted-flags example script.

Fixes: 8eea4e744758 ("taint: Add TAINT_FWCTL")
Fixes: 2852ca7fba9f ("panic: Taint kernel if tests are run")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
---
Cc: Jason Gunthorpe <jgg@xxxxxxxxxx>
Cc: David Gow <davidgow@xxxxxxxxxx>
Cc: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: linux-doc@xxxxxxxxxxxxxxx
---
 Documentation/admin-guide/tainted-kernels.rst |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20251013.orig/Documentation/admin-guide/tainted-kernels.rst
+++ linux-next-20251013/Documentation/admin-guide/tainted-kernels.rst
@@ -74,7 +74,7 @@ a particular type of taint. It's best to
 script, but if you need something quick you can use this shell command to check
 which bits are set::
 
-	$ for i in $(seq 18); do echo $(($i-1)) $(($(cat /proc/sys/kernel/tainted)>>($i-1)&1));done
+	$ for i in $(seq 20); do echo $(($i-1)) $(($(cat /proc/sys/kernel/tainted)>>($i-1)&1));done
 
 Table for decoding tainted state
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~