Summary:
fix wrong initial value for ELM_PHOTOCAM_ZOOM_MODE_AUTO_FILL mode
@fix
Test Plan:
1. set zoom mode of photocam to ELM_PHOTOCAM_ZOOM_MODE_AUTO_FILL in text_photocam.c example
2. run elementary_test -to photocam
3. check it is working well
Reviewers: jpeg, cedric, raster, Hermet, singh.amitesh
Reviewed By: singh.amitesh
Differential Revision: https://phab.enlightenment.org/D4921