Fix a bug when default view is the global one.

If default view is "global", the popup tried to get articles on the
default view which was… "global"! Articles are present on the "normal" view
instead.

app/views/index/global.phtml

@@ -13,7 +13,7 @@
 <?php
 	$url_base = array(
 		'c' => 'index',
-		'a' => 'index',
+		'a' => 'normal',
 		'params' => Minz_Request::params()
 	);