[physfs] Win32 updates.

[CRV§ADER/KY]

We're still waiting for the 0.1.6 package release (possibly in tar.gz please!). It's important for you to 
understand that most low level programmers (that may want just to USE physfs) won't download it from CVS. Also, 
please notice that there isn't any version number in the downloads/physfs-win32-support.zip package. Oh, we're 
still waiting for a binary distribution, too. (please refer to a previous thread on this mailing list).

Regards
		CRV§ADER/KY

>
>I've done some overhauling to the win32 code in PhysicsFS. Notable changes:
>
>1) The DLL will now build on Visual Studio 6.0 without an updated Platform
>SDK. The missing API is accessed via LoadLibrary() at runtime, so you
>don't need those libraries to compile.
>2) Since that missing API is dynamically loaded, we can deal with
>situations where it doesn't exist on the end user's system correctly; this
>means Win95/98/ME should work correctly now, too.
>3) The DISABLE_NT_SUPPORT define is gone, since it isn't needed
>anymore.
>4) Lots of little incorrect behaviours have been corrected. (not setting
>the error message in various places, etc).
>5) Lots of bugs got squashed in the code audit. At least two or three
>(potential) crashbugs.
>
>Go forth and update from CVS.  :)
>
>--ryan.
>
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