corrected an inconsistent include-path setting;

undid previous commit which was wrong

Math/Math/GPUDummy.cpp

@@ -4,7 +4,7 @@
 // </copyright>
 //
 
-#ifndef CPUONLY
+#ifdef CPUONLY
 
 #include "GPUMatrix.cuh"
 #include "GPUSparseMatrix.cuh"

Math/Math/Math.vcxproj

@@ -109,7 +109,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NO_SYNC;WIN32;NDEBUG;_WINDOWS;_USRDLL;MATH_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\common\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <FloatingPointModel>Fast</FloatingPointModel>
       <OpenMPSupport>true</OpenMPSupport>