Windows Pingus Patches

[Neil Mitchell]

Hi

This enables the code to build on Windows once again, although my graphics
card is shot to hell, so I still can't actually see if it works!

The updated .dsp with changes, make sure someone runs Unix2dos on it before
committing.
The "assert.h" was also not included in about 20 places, so I shoved it in
Pingus.hxx, this probably means it can be removed from other places now, but
I'll do that after you commit this one

Ginge

windows_update.patch
Description: Binary data

pingus.dsp
Description: Binary data