staging: vt6655: IEEE11h.h: Replace C99 // comment by /* */

Replace C99 "//" comment by "/* */"
Signed-off-by: Veronika Kabatova <veronicca114@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/IEEE11h.h

@@ -39,4 +39,4 @@ bool IEEE11hbMSRRepTx(
 	void *pMgmtHandle
 );
 
-#endif // __IEEE11h_H__
+#endif /* __IEEE11h_H__ */