staging: rts5208: fix static checker warnings

The patch fa590c22: "staging: rts5208: add support for rts5208
and rts5288" from Nov 12, 2013, leads to the following static checker
warning:
	drivers/staging/rts5208/rtsx_chip.c:107 rtsx_enable_bus_int()
	warn: add curly braces?
This warning is produced because incorrect code indent.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rts5208/rtsx_chip.c

@@ -104,7 +104,7 @@ void rtsx_enable_bus_int(struct rtsx_chip *chip)
 	if (chip->ic_version >= IC_VER_C)
 		reg |= DELINK_INT_EN;
 #ifdef SUPPORT_OCP
-		reg |= OC_INT_EN;
+	reg |= OC_INT_EN;
 #endif
 	if (!chip->adma_mode)
 		reg |= DATA_DONE_INT_EN;