Evas textblock: Replaced all the calls to eina_unicode_strlen with the cached text_len. This also fixes an issue with ellip_char text pos.
Evas textblock: Replaced all the calls to eina_unicode_strlen with the cached text_len.
This also fixes an issue with ellip_char text pos.

git-svn-id: 24a995eca3b83137dd7eab3408044d7832e202f7@57010 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

antognolli/Evas,antognolli/Evas,antognolli/Evas,antognolli/Evas