fixed some fields not saving due to equality conversions (eg. 0 == 'auto')

fix user preferences menu display when tabs don't fit on screen

libraries/config/ConfigFile.class.php

@@ -165,7 +165,7 @@ class ConfigFile
         // remove if the path isn't protected and it's empty or has a default value
         $default_value = $this->getDefault($canonical_path);
         if (!isset($this->persistKeys[$canonical_path])
-                && (($value == $default_value) || (empty($value) && empty($default_value)))) {
+                && (($value === $default_value) || (empty($value) && empty($default_value)))) {
             PMA_array_remove($path, $_SESSION[$this->id]);
         } else {
             PMA_array_write($path, $_SESSION[$this->id], $value);

libraries/user_preferences.inc.php

@@ -39,7 +39,7 @@ foreach (array_keys($forms) as $formset) {
         'active' => ($script_name == 'prefs_forms.php' && $formset == $form_param));
     echo PMA_generate_html_tab($tab, array('form' => $formset)) . "\n";
 }
-echo '</ul>';
+echo '</ul><div class="clearfloat"></div>';
 
 // show "configuration saved" message and reload navigation frame if needed
 if (!empty($_GET['saved'])) {