Moving location of variables to avoid conflicts between cn.exe and dll building

MachineLearning/CNTKEval/dllmain.cpp

@@ -10,7 +10,11 @@
 #include <Windows.h>
 #endif
 
-BOOL APIENTRY DllMain( HMODULE /*hModule*/,
+// The SGD CLass is MPI-aware and expects these globals to exist.
+int myRank = 0;
+int numProcs = 1;
+
+BOOL APIENTRY DllMain(HMODULE /*hModule*/,
                        DWORD  ul_reason_for_call,
                        LPVOID /*lpReserved*/
                      )

MachineLearning/cn/ComputationNode.cpp

@@ -11,10 +11,6 @@
 #include "IComputationNetBuilder.h"
 #include "SGD.h"
 
-// The SGD CLass is MPI-aware and expects these globals to exist.
-int myRank = 0;
-int numProcs = 1;
-
 namespace Microsoft {
     namespace MSR {
         namespace CNTK {