Revised fix for bug 3111 - switch to usrt4_0.lib, which is exported unconditionally
usrt3_1.lib is invisibly exported by an FLM, so in platform builds this failed with "No rule to make usrt3_1.dso"
EXPORTS
?CreateLogicalDevice@@YAPAVDLogicalDevice@@XZ @ 1 NONAME ; class DLogicalDevice * __cdecl CreateLogicalDevice(void)
?ExportMultiplyFunction@@YAHII@Z @ 2 NONAME ; int __cdecl ExportMultiplyFunction(unsigned int,unsigned int)