CURSORICON_SimulateLoadingFromResourceW param check. VFP6 EXEs now work.

[Alexandre Julliard]

"C. Daniel Mojoli B." <cdmojoli at idea.com.py> writes:

> 7) We hit L513 and cause an exception when executing the following
> expression: bits->idEntries[i]. The problem is that we are looping
> with our index bound to the garbage number of icon entries! That
> garbage is almost assured to be too large and we loop past the
> assigned memory.

The proper fix is to make sure the code doesn't crash no matter what
garbage it gets as input. Checking the magic number doesn't guarantee
that the rest of the file is correct.

-- 
Alexandre Julliard
julliard at winehq.org