Staging: rt28x0: fix comments in *.h files

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/rt2860/rtmp_mcu.h b/drivers/staging/rt2860/rtmp_mcu.h
index 98dea1b..1c31700 100644
--- a/drivers/staging/rt2860/rtmp_mcu.h
+++ b/drivers/staging/rt2860/rtmp_mcu.h
@@ -46,4 +46,4 @@
 			     IN UCHAR Command,
 			     IN UCHAR Token, IN UCHAR Arg0, IN UCHAR Arg1);
 
-#endif // __RTMP_MCU_H__ //
+#endif /* __RTMP_MCU_H__ // */