staging:rtl8188eu: Removed assignments in if statements.

Fixed some indentation to silence (some) checkpatch errors.
The following coccinelle script found the match:

@@
expression E0, E1, E2;
statement S0, S1;
@@
- if ((E1 = E2) != E)
+ E1 = E2;
+ if (E1 != E)
S1 else S2

Signed-off-by: Chi Pham <fempsci@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>