tools: Fix a typo in kernel-chktaint

This patch fixes a spelling typo in kernel-chktaint

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210402070514.336376-1-standby24x7@gmail.com


Signed-off-by: Jonathan Corbet <corbet@lwn.net>