netlabel: Correct spelling in netlabel.h

Correct spelling in netlabel.h.
As reported by codespell.

Cc: Paul Moore <[e-mail]>
Signed-off-by: Simon Horman <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

include/net/netlabel.h

···
 
 /*
  * NetLabel - A management interface for maintaining network packet label
- *            mapping tables for explicit packet labling protocols.
+ *            mapping tables for explicit packet labeling protocols.
  *
  * Network protocols such as CIPSO and RIPSO require a label translation layer
  * to convert the label on the packet into something meaningful on the host