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
_ZN8Debugger12DebuggerInfoEv @ 1 NONAME ; Debugger::DebuggerInfo()
_ZN8Debugger7InstallEP13DDebuggerInfo @ 2 NONAME ; Debugger::Install(DDebuggerInfo*)
_ZN8Debugger7VersionEv @ 3 NONAME ; Debugger::Version()