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
?DebuggerInfo@Debugger@@SAPAVDDebuggerInfo@@XZ @ 1 NONAME ; public: static class DDebuggerInfo * __cdecl Debugger::DebuggerInfo(void)
?Install@Debugger@@SAHPAVDDebuggerInfo@@@Z @ 2 NONAME ; public: static int __cdecl Debugger::Install(class DDebuggerInfo *)