LinuxKPI: 802.11: fix indent in lkpi_wake_tx_queues()

Fix indentation in lkpi_wake_tx_queues().
No functional changes.

Sponsored by: The FreeBSD Foundation
Approved by: re (cperciva)

(cherry picked from commit b0ddb44fd427d44b8153781ce9c461e393771aff)
(cherry picked from commit 9e782bfab9042aed12c36746534b1e4e4ec6d597)