fix: var name in subscript

bootstrap.sh

@@ -133,8 +133,7 @@ cat <<EOF > /mnt/root/bootstrap2.sh
 
 if [ $ENC == true ]; then
     sed -i 's/\(^HOOKS.*block\)/\1 encrypt/' /etc/mkinitcpio.conf
-    ct_entry="swap LABEL=cryptswap /dev/urandom swap,offset=2048,cipher=aes-xts-plain64,size=512"
+    echo "swap LABEL=cryptswap /dev/urandom swap,offset=2048,cipher=aes-xts-plain64,size=512" >> /etc/crypttab
-    echo $ct_entry >> /etc/crypttab
     echo "/dev/mapper/swap none swap defaults 0 0" >> /etc/fstab
 fi
 
@@ -188,4 +187,4 @@ chmod u+x /mnt/root/bootstrap2.sh
 arch-chroot /mnt /root/bootstrap2.sh
 rm /mnt/root/bootstrap2.sh
 
-# reboot
+reboot