Log Message:
graphics/jhead: update to jhead-3.03

Changes:

-------Released version 3.0 -- Feb 2 2015 --------
Ma4 5 2015:
Add option to set exif date from date from another file.

Jul 28 2015:
Remove some unnecessary warnings with some types of GPS data

Aug 4 2015:
Remove multiple copies of the same type of section when deleting section types

Aug 11 2011:
Bug fixes relating to fuzz testing.

Aug 1 2017:
Fix bug when no orientation tag is present

Aug 12 2018:
Fix bug of not clearing exif information when processing images with an without
exif data in one invocation.

-------Released version 3.02 -- Dec 11 2018 --------

Dec 21 2018:
Fix bug where thumbnail replacement DID NOT WORK.
(broke while fixing compiler warnings for 3.02 release)

-------Released version 3.03 -- Dec 31 2018 --------