tint2conf: Call setlocale with no locale to use system default instead of C

src/tint2conf/main.c

@@ -124,6 +124,7 @@ static const char *global_ui =
 
 int main(int argc, char **argv)
 {
+	setlocale(LC_ALL, "");
 	bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
 	bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 	textdomain(GETTEXT_PACKAGE);