Fix another notice

frontend/modules/admin/vps/create.php

@@ -172,10 +172,10 @@ foreach($result->data as $row)
 	);
 }
 
-$result = $database->CachedQuery("SELECT * FROM templates WHERE `Available` = 1");
-
 $sTemplates = array();
 
+if($result = $database->CachedQuery("SELECT * FROM templates WHERE `Available` = 1"))
+{
 	foreach($result->data as $row)
 	{
 		$sTemplate = new Template($row);
@@ -185,6 +185,11 @@ foreach($result->data as $row)
 			'name'		=> $sTemplate->sName
 		);
 	}
+}
+else
+{
+	/* TODO: Show an error when no templates are available. */
+}
 
 $result = $database->CachedQuery("SELECT * FROM users WHERE `AccessLevel` > 0");