iwlwifi: mvm: fix indentation in some scan functions

Two functions had indentation mistakes which were causing sparse
warnings.  Fix them.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210612142637.12f3b9fea57e.I42a7556d43de78ec6387e3a699eca10482b0485d@changeid


Signed-off-by: Luca Coelho <luciano.coelho@intel.com>