[Bug 4370] terragen no longer runs with wine

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=4370

------- Additional Comments From [e-mail]  2006-22-04 04:01 -------
changing == to & is definiutely wrong, because VT_VARIANT is not a bitmask, 
but 12 (0xc), so it true for everything with bit 3 or bit 2 set.

you can try adding a FIXME() that prints out the VT before this line and see 
what value it has