staging: wilc1000: remove blank line before close brace in wilc_wlan_cfg_get_wid_value()

Cleanup patch to remove "Blank lines aren't necessary before a close
brace '}'" issue reported by checkpatch.pl script.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>