Fix interactive unban

scripts/usr/local/bin/script-user-unban

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Unbans a fail2ban IP
+# Unban a fail2ban IP
 # Copyright 2021-2025 Bryan C. Roessler
 # Licensed under the Apache License, Version 2.0
 p="${BASH_SOURCE[0]%/*}"; [[ -r $p/script-functions ]] && . "$p"/script-functions || exit 1
@@ -11,7 +11,7 @@ is_root
 if [[ $# -eq 1 ]]; then
   ip_address="$1"
 else
-    prompt ip_address
+  ip_address=$(prompt ip_address)
 fi
 
 if fail2ban-client set sshd unbanip "$ip_address"; then