Changes in ("checkpatch: categorize some long line length checks")
now erroneously reports long line defects in patch context.

Fix it.
Signed-off-by: NJoe Perches <joe@perches.com>
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>