lockdep: Remove unnecessary 'hlock_next' variable

Signed-off-by: Hong Zhiguo <honkiko@gmail.com>
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/1365058881-4044-1-git-send-email-honkiko@gmail.com


Signed-off-by: Ingo Molnar <mingo@kernel.org>