Fix ITC18 build.
Fix ITC18 build.

Revert bad change in r10883.

As of this writing, Debug|Win32 still does not build due to improper
vcproj configuration in 3rdparty/ITC18.

git-svn-id: 03a8048b5ee8463be5048a3801110fb50f378627@10886 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd

kmdouglass/Micro-Manager,kmdouglass/Micro-Manager