Use native language name for Finnish

Addresses FS#61803.
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

web/lib/translator.inc.php

@@ -30,7 +30,7 @@ $SUPPORTED_LANGS = array(
 	"el" => "Ελληνικά",
 	"es" => "Español",
 	"es_419" => "Español (Latinoamérica)",
-	"fi" => "Finnish",
+	"fi" => "Suomi",
 	"fr" => "Français",
 	"he" => "עברית",
 	"hr" => "Hrvatski",