Show number of subdomains that use a php-config; fixes #532

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

templates/Sparkle/admin/phpconfig/overview_overview.tpl

@@ -1,6 +1,6 @@
 <tr class="top">
 	<td><strong>{$row['description']}</strong></td>
-	<td>{$domains}</td>
+	<td>{$domains}<if 0 < $subdomains_count><if !empty($domains)>+ </if>{$subdomains_count} {$lng['customer']['subdomains']}</if></td>
 	<if Settings::Get('phpfpm.enabled') == '1'>
 		<td>{$row['fpmdesc']}</td>
 	<else>