staging: wfx: remove blank line

Blank line is not necessary before a close brace '}', remove it.

Signed-off-by: Payal Kshirsagar <payalskshirsagar1234@gmail.com>
Reviewed-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200309165528.5721-1-payalskshirsagar1234@gmail.com


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