Fixed PHP Notice "Undefined property: Profile::$value"

lib/profilesection.php

@@ -97,7 +97,7 @@ class ProfileSection extends Section
         $this->out->elementEnd('a');
         $this->out->elementEnd('span');
         $this->out->elementEnd('td');
-        if ($profile->value) {
+        if (isset($profile->value)) {
             $this->out->element('td', 'value', $profile->value);
         }