Evas textblock: Fixed cursor pos set to work correctly in case the character being pointed at is the last character in the last paragraph. Also prevented a bug that may happen with an empty paragraph. Thanks to Mr. Myungjae Lee.
Evas textblock: Fixed cursor pos set to work correctly in case the character being pointed at is the last character in the last paragraph. Also prevented a bug that may happen with an empty paragraph. Thanks to Mr. Myungjae Lee.

git-svn-id: 24a995eca3b83137dd7eab3408044d7832e202f7@56020 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

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