Improperly read strings non NUL terminated.

[hfiguiere]

Use this sample file:

http://www.findexif.com/client/samples/meerkat.jpg

It will say
Make: SON
Model: DSC-H

Instead of
Make: SONY
Model: DSC-H5

This is because we assume the string is always NUL terminated. It isn't. I have a fix.

[hfiguiere]

merged