minor fix format

dnsapi/dns_nsone.sh

@@ -124,9 +124,9 @@ _get_root() {
     fi
 
     if _contains "$response" "\"zone\":\"$h\""; then
-		_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
-		_domain="$h"
-    return 0
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _domain="$h"
+      return 0
     fi
     p=$i
     i=$(_math "$i" + 1)