Changes to get CNTKEval to compile on Windows

MachineLearning/CNTKEval/dllmain.cpp

@@ -5,6 +5,10 @@
 //
 // dllmain.cpp : Defines the entry point for the DLL application.
 #include "stdafx.h"
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#endif
 
 BOOL APIENTRY DllMain( HMODULE /*hModule*/,
                        DWORD  ul_reason_for_call,

MachineLearning/cn/ComputationNode.cpp

@@ -11,7 +11,13 @@
 #include "IComputationNetBuilder.h"
 #include "SGD.h"
 
-namespace Microsoft { namespace MSR { namespace CNTK {
+// The SGD CLass is MPI-aware and expects these globals to exist.
+int myRank = 0;
+int numProcs = 1;
+
+namespace Microsoft {
+    namespace MSR {
+        namespace CNTK {
 
     typedef Matrix<float> FloatMatrix;
     typedef Matrix<double> DoubleMatrix;