#1 Windows: Crash if pulling window too narrow

[Alessandro Portale]

If I have a file loaded and resize the window so that
the number of hex digit colums would like to be less
that one, it crashes.

No matter how big the loaded File is.

[Alessandro Portale]

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user_id=1082798

Matthias,

I just found out that I already knew your name and work
because of this program long before I was on the FLTK page
and even knew what FLTK is.

This hex editor is still one of my favorite hex editors,
because of its cross platformness and compactness. And this
time, I looked inside it to see what was wrong and the
reason for this bug entry.

There can be a division by zero in line 1157:
bytesPerRow_ = (w()-wfixed)/wflex;
which in my case works better this way:
bytesPerRow_ = max(1, (w()-wfixed)/wflex);

Regards,
Alessandro