Remove windows.h include from opencv2/core/internal.hpp to avoid conflicts with TBB library.

modules/core/src/parallel.cpp

@@ -42,6 +42,14 @@
 
 #include "precomp.hpp"
 
+#if defined WIN32 || defined WINCE
+    #include <windows.h>
+    #undef small
+    #undef min
+    #undef max
+    #undef abs
+#endif
+
 #if defined __linux__ || defined __APPLE__
     #include <unistd.h>
     #include <stdio.h>

modules/core/src/rand.cpp

@@ -48,8 +48,16 @@
 
 #include "precomp.hpp"
 
+#if defined WIN32 || defined WINCE
+    #include <windows.h>
+    #undef small
+    #undef min
+    #undef max
+    #undef abs
+#endif
+
 #if defined __SSE2__ || (defined _M_IX86_FP && 2 == _M_IX86_FP)
-#include "emmintrin.h"
+    #include "emmintrin.h"
 #endif
 
 namespace cv

modules/core/src/system.cpp

@@ -43,6 +43,14 @@
 #include "precomp.hpp"
 
 #if defined WIN32 || defined _WIN32 || defined WINCE
+#ifndef _WIN32_WINNT           // This is needed for the declaration of TryEnterCriticalSection in winbase.h with Visual Studio 2005 (and older?)
+  #define _WIN32_WINNT 0x0400  // http://msdn.microsoft.com/en-us/library/ms686857(VS.85).aspx
+#endif
+#include <windows.h>
+#undef small
+#undef min
+#undef max
+#undef abs
 #include <tchar.h>
 #if defined _MSC_VER
   #if _MSC_VER >= 1400