staging: wilc1000: remove warnings missing a blank line after declarations

This patch remove warnings reported by checkpatch.pl
for missing a blank line after declarations

Signed-off-by: Chris Park <chris.park@atmel.com>
Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>