BUGFIX misspelled variable (from r100726)

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@105629 467b73ca-7a2a-4603-9d3b-597d59a354a9

dev/install/config-form.html

@@ -153,7 +153,7 @@ <h4 class="sectionHeading">Database</h4>
 										<?php
 										foreach($databaseClasses as $class => $details) {
 											$checked = ($databaseConfig['type'] == $class) ? ' checked="checked"' : '';
-											$disabled = $halp = '';
+											$disabled = $help = '';
 											if($usingEnv) {
 												// All are disabled by default when environment is used
 												$disabled = 'disabled="disabled"';