add missing field 'include_default_vhostconf' to settings table for new installations

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

install/froxlor.sql

@@ -672,6 +672,7 @@ opcache.interned_strings_buffer'),
 	('system', 'apply_specialsettings_default', '1'),
 	('system', 'apply_phpconfigs_default', '1'),
 	('system', 'hide_incompatible_settings', '0'),
+	('system', 'include_default_vhostconf', '0'),
 	('api', 'enabled', '0'),
 	('2fa', 'enabled', '1'),
 	('panel', 'decimal_places', '4'),