Evas text_utils: make the text_props_content_ref/unref more robust. Don't allocate a text info if the length is 0. No point in that because content won't be allocated anyway.
Evas text_utils: make the text_props_content_ref/unref more robust.
Don't allocate a text info if the length is 0. No point in that because
content won't be allocated anyway.

git-svn-id: 24a995eca3b83137dd7eab3408044d7832e202f7@56924 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

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