Refs #2122, fix regression in PDO checking logic.

git-svn-id: http://dev.piwik.org/svn/trunk@7689 59fd770c-687e-43c8-a1e3-f5a4ff64c105

plugins/Installation/Controller.php

@@ -880,7 +880,6 @@ class Piwik_Installation_Controller extends Piwik_Controller_Admin
 		if (in_array(0, $infos['directories']) // if a directory is not writable
 			|| !$infos['phpVersion_ok']
 			|| !empty($infos['missing_extensions'])
-			|| !$infos['pdo_ok']
 			|| empty($infos['adapters'])
 			|| !empty($infos['missing_functions']))
 		{

plugins/Installation/templates/systemCheckSection.tpl

@@ -14,7 +14,7 @@
 	<tr>
 		<td class="label">PDO {'Installation_Extension'|translate}</td>
 		<td>{if $infos.pdo_ok}{$ok}
-			{else}{$error} <span class="err">{'General_Error'|translate}: {'General_Required'|translate:"PDO"}</span>{/if}
+			{else}-{/if}
 		</td>
 	</tr>
 	{foreach from=$infos.adapters key=adapter item=port}