Summary:
Change-Id: I17c79f89550e9a758a532babd55826b3c7ad2810
To show gif animation smoothly, we keep the current frame even if getting line is failed.
Currently, the frame image will be freed if getting gif line is failed and this makes the frame drop.
Reviewers: Hermet, kimcinoo, raster
Reviewed By: raster
Subscribers: raster, cedric, #reviewers, #committers
Tags: #efl
Differential Revision: https://phab.enlightenment.org/D12277