First pass idLib conversion from hex rays4.

source/shared/idlib/sys/sys_mgrd.cpp

@@ -0,0 +1,15 @@
+#include "sys_mgrd.h"
+
+// MGRD was an optional external memory-profiler transport selected with the
+// Xbox-era -mgrd switch. The PC recovery keeps the instrumentation API intact
+// while making it a no-op until a desktop profiler backend is selected.
+void RD_Init() {}
+void RD_CreateGPUHeaps(void*, unsigned int, void*, unsigned int) {}
+void RD_DestroyGPUHeaps() {}
+void RD_CreateMapHeap() {}
+void RD_DestroyMapHeap() {}
+void RD_MemAlloc(void*, unsigned int, unsigned int, int) {}
+void RD_MemFree(void*, int) {}
+void RD_EventBegin(const char*) {}
+void RD_EventEnd() {}
+void RD_Syncpoint(const char*) {}