Fixed shfmt errors

dnsapi/dns_mijn_host.sh

@@ -126,14 +126,14 @@ _get_root() {
   p=1
 
   while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-)
     if [ -z "$h" ]; then
       return 1
     fi
 
     if _contains "$(dig ns "$h")" "mijn.host"; then
       root_zone="$h"
-      subdomain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      subdomain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
       return 0
     fi