staging: wilc1000: Blank lines aren't necessary before a close brace '}'

Before closing the brace, the blank line is not needed. That blank
line has not meaning here. so remove it.

Signed-off-by: Keerthi Reddy <keerthigd4990@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>