staging: xgifb: add braces around if statement

add braces around if statment to fix the checkpatch issue, braces {}
should be used on all arms of this statement.
Signed-off-by: Gargi Sharma <gs051095@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/xgifb/XGI_main_26.c

@@ -178,9 +178,9 @@ static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
 		*sync |= FB_SYNC_HOR_HIGH_ACT;
 
 	*vmode = FB_VMODE_NONINTERLACED;
-	if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
+	if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080) {
 		*vmode = FB_VMODE_INTERLACED;
-	else {
+	} else {
 		j = 0;
 		while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) {
 			if (XGI330_EModeIDTable[j].Ext_ModeID ==