staging: rtl8723bs: add newline after variable declaration

Fix checkpatch style warning by adding newline after variable
declaration in rtw_ioctl_set

Signed-off-by: Emily Peri <eperi1024@gmail.com>
Link: https://lore.kernel.org/r/76e1bfd210d79e6d3f7cc09233621c8b741b2370.1666380274.git.eperi1024@gmail.com


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