- Fix default_port option handling in Installer when config.inc.php file exists (#1487925)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix default_port option handling in Installer when config.inc.php file exists (#1487925)
 - Removed option focus_on_new_message, added newmail_notifier plugin
 - Added general rcube_cache class with Memcache and APC support
 - Improved caching performance by skipping writes of unchanged data

installer/rcube_install.php

@@ -140,6 +140,7 @@ class rcube_install
       return '[Warning: could not read the config template file]';
 
     foreach ($this->config as $prop => $default) {
+
       $value = (isset($_POST["_$prop"]) || $this->bool_config_props[$prop]) ? $_POST["_$prop"] : $default;
 
       // convert some form data
@@ -195,7 +196,7 @@ class rcube_install
       }
 
       // skip this property
-      if (!$force && ($value == $default))
+      if (!$force && !$this->configured && ($value == $default))
         continue;
 
       // save change