[lokisetup] total progress meter...

[Ryan C. Gordon]

> To answer my own question, a lot of functions in copy.c return values as
> ssize_t, so this could be a problem.

To answer mine, though: the variables that represent total/current
installed size are size_t, and they are incremented by the plugins (that
was my mistake) directly. The gtk_ui update function handles unsigned
32-bit progress.

Once I fixed my plugin, it worked like a champ with > 2 gig installs.

--ryan.