Fix layout of landing page configuration form

Author: Jamie Snape

modules/landingpage/forms/Admin.php

@@ -35,8 +35,8 @@ public function init()
         $text->setLabel('Landing Page Text');
         $text->setRequired(true);
         $text->addValidator('NotEmpty', true);
-        $text->setAttrib('cols', '120');
-        $text->setAttrib('rows', '100');
+        $text->setAttrib('cols', '80');
+        $text->setAttrib('rows', '40');
 
         $this->addDisplayGroup(array($text), 'global');