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

This change improves code readability and maintains consistency with the
kernel's coding guidelines.

Reported by `checkpatch.pl`:
WARNING: please, no spaces at the start of a line
Signed-off-by: Sayyad Abid <sayyad.abid16@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240912040409.3315067-7-sayyad.abid16@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/include/rtw_security.h

@@ -61,14 +61,14 @@ struct {
 } _byte_;
 #else
 struct {
-  u8 TSC7;
-  u8 TSC6;
-  u8 TSC5;
-  u8 TSC4;
-  u8 TSC3;
-  u8 TSC2;
-  u8 TSC1;
-  u8 TSC0;
+	u8 TSC7;
+	u8 TSC6;
+	u8 TSC5;
+	u8 TSC4;
+	u8 TSC3;
+	u8 TSC2;
+	u8 TSC1;
+	u8 TSC0;
 } _byte_;
 #endif