autoupdate: fix

scripts/autoupdate-offline.sh

@@ -20,12 +20,12 @@ fi
 unzip R2S*.zip
 rm R2S*.zip
 if [ -f /mnt/mmcblk0p2/artifact/FriendlyWrt*.img.gz ]; then
-    cd /mnt/mmcblk0p2/artifact/
-    if [ `md5sum -c md5sum.txt|grep -c "OK"` -eq 0 ]; then
-        echo -e '\e[91m固件HASH值匹配失败，脚本退出\e[0m'
+	cd /mnt/mmcblk0p2/artifact/
+	if [ `md5sum -c md5sum.txt|grep -c "OK"` -eq 0 ]; then
+		echo -e '\e[91m固件HASH值匹配失败，脚本退出\e[0m'
 		exit 1
-    fi
-    cd /mnt/mmcblk0p2
+	fi
+	cd /mnt/mmcblk0p2
 	pv /mnt/mmcblk0p2/artifact/FriendlyWrt*.img.gz | gunzip -dc > FriendlyWrt.img
 	echo -e '\e[92m准备解压镜像文件\e[0m'
 fi