staging: r8188eu: fix suspect code indent for conditional statements

Align the if and else if branches of the conditional statement
to improve readability. Prevent bugs that could be introduced
if developers misread the code. Issue found by checkpatch.

Signed-off-by: Rebecca Mckeever <remckee0@gmail.com>
Link: https://lore.kernel.org/r/YkK7ABTVt0TCbd18@bertie


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>