driver: staging: wlan-ng: Fixed white spaces issues

In hfa384x_usb.c:
Moved Logical continuations to the correct lines
Removed unnecessary blank lines

Signed-off-by: Sherif Shehab Aldin <shehabaldin.sherif@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>