try to fix formatting

tsa/howto/new-machine-hetzner-cloud.mdwn

@@ -44,10 +44,10 @@ To setup autoboot using mandos:
  1. install mandos-client
  1. add a new key to the LUKS partition and prepare mandos snippet:
 
-    t=`tempfile`
-    dd if=/dev/random bs=1 count=128 of="$t"
-    cryptsetup luksAddKey /dev/sda2 "$t"
-    mandos-keygen --passfile "$t"
+        t=`tempfile`
+        dd if=/dev/random bs=1 count=128 of="$t"
+        cryptsetup luksAddKey /dev/sda2 "$t"
+        mandos-keygen --passfile "$t"
 
  1. and add a workaround for Debian Bug#926641