staging: vt6655: Fix do not use // c99 comments.

This patch fixes "do not use // C99 comments" errors in datarate.h
Signed-off-by: Melike Yurtoglu <aysemelikeyurtoglu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/datarate.h

@@ -75,4 +75,4 @@ DATARATEbyGetRateIdx(
 	unsigned char byRate
 );
 
-#endif //__DATARATE_H__
+#endif /* __DATARATE_H__ */