Buddypress 1.6.4 Fix RSS feed title encoding problem (for Greek)

Are you having troubles in activity feed for buddypress and the feed titles aret displaying with false encoding ( see picture below) ? 

you can fix it with 2 ways.

1st Way and best

Use the plugin http://buddypress.org/community/groups/bp-rss-character-fixer/

 2nd way

By changing in the file /wp-content/plugins/buddypress/bp-activity/bp-activity-templatetags.php and in function bp_get_activity_feed_item_title () the line (~line 1030)
$title = trim( strip_tags( html_entity_decode( utf8_encode( $content[0] ) ) ) );

to this
$title = trim( strip_tags( html_entity_decode( $content[0] ) ) ) ;