staging: rtl8723bs: include: Fix indent for switch block in rtw_security.h

This improves code readability by ensuring consistent formatting.

Reported by `checkpatch.pl`:
WARNING: switch blocks should be indented with a single tab.
Signed-off-by: Sayyad Abid <sayyad.abid16@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240912040409.3315067-4-sayyad.abid16@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>