password plugin should use sasl backend

Makefile

@@ -7,6 +7,9 @@ all: httpd-conf
 	install -v -m755 -o apache -g apache -d /var/lib/roundcube
 	@echo "$$HTTPD_CONF" > /etc/httpd/conf/DirectoryIndex.conf
 	chown -v -R apache:apache /srv/www
+	cd /srv/www/plugins/password/helpers && gcc -o chgsaslpasswd chgsaslpasswd.c
+	chown cyrus.apache /srv/www/plugins/password/helpers/chgsaslpasswd
+	chmod 4550 /srv/www/plugins/password/helpers/chgsaslpasswd
 
 httpd-conf:
 define HTTPD_CONF

config.inc.php

@@ -57,3 +57,7 @@ $config['des_key'] = 'xgRgUvSsPv53aIXfs8WFaNdf';
 // List of active plugins (in plugins/ directory)
 $config['plugins'] = array('managesieve', 'markasjunk', 'newmail_notifier', 'password', 'subscriptions_option', 'vcard_attachments', 'zipdownload');
 
+// Password Plugin options
+// -----------------------
+// A driver to use for password change.
+$config['password_driver'] = 'sasl';