d3dx9_36: Use cross-platform versions of infinity and NaN.

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
http://testbot.winehq.org/JobDetails.pl?Key=12221

Your paranoid android.


=== WXPPROSP3 (32 bit math) ===
math.c:2275: Test failed: Got ffff, expected 7fff or 7fff for index 18.

=== W2K3R2SESP2 (32 bit math) ===
math.c:2275: Test failed: Got ffff, expected 7fff or 7fff for index 18.

=== WVISTAADM (32 bit math) ===
math.c:2275: Test failed: Got ffff, expected 7fff or 7fff for index 18.

=== W2K8SE (32 bit math) ===
math.c:2275: Test failed: Got ffff, expected 7fff or 7fff for index 18.

=== W7PRO (32 bit math) ===
math.c:2275: Test failed: Got ffff, expected 7fff or 7fff for index 18.

=== W7PROX64 (32 bit math) ===
math.c:2275: Test failed: Got ffff, expected 7fff or 7fff for index 18.