Fixed a bug where autoconfiguration for Z-Push fails due to case of URL.

conf/nginx-alldomains.conf

@@ -55,7 +55,7 @@
 		# file upload limit to match the corresponding Postfix limit.
 		client_max_body_size 128M;
 	}
-	location /autodiscover/autodiscover.xml {
+	location ~* ^/autodiscover/autodiscover.xml$ {
 		include fastcgi_params;
 		fastcgi_param SCRIPT_FILENAME /usr/local/lib/z-push/autodiscover/autodiscover.php;
 		fastcgi_param PHP_VALUE "include_path=.:/usr/share/php:/usr/share/pear:/usr/share/awl/inc";