Missing nicaiu.dll from regular location - suggest adding Windows/System32 location

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What steps will reproduce the problem?

Unsure. At some point in development, nicaiu.dll went missing. This could have 
been an update, or maybe windows trickery.

What is the expected output? What do you see instead?

Instead of properly registering libnidaqmx, libnidaqmx is set to None. 

What version of the product are you using? On what operating system?

Running Windows 7 Enterprise, 64-bit, with libnidaqmx version 8.9.

Please provide any additional information below.

I did a full system search and found a copy of nicaiu.dll at 
C:/Windows/System32/nicaiu.dll... perhaps this could be added to the initial 
DLL loading process?

Original issue reported on code.google.com by smartin...@gmail.com on 25 May 2012 at 5:40