Compile fixes

src/yolo_console_dll.cpp

@@ -14,7 +14,7 @@
 #endif
 
 // To use tracking - uncomment the following line. Tracking is supported only by OpenCV 3.x
-#define TRACK_OPTFLOW
+//#define TRACK_OPTFLOW
 
 #include "yolo_v2_class.hpp"	// imported functions from DLL
 

src/yolo_v2_class.hpp

@@ -144,8 +144,8 @@ private:
 };
 
 
-#ifdef OPENCV
-#ifdef TRACK_OPTFLOW
+
+#if defined(TRACK_OPTFLOW) && defined(OPENCV)
 
 #include <opencv2/cudaoptflow.hpp>
 #include <opencv2/cudaimgproc.hpp>
@@ -324,9 +324,11 @@ public:
 
 class Tracker_optflow {};
 
-#endif	// TRACK_OPTFLOW
+#endif	// defined(TRACK_OPTFLOW) && defined(OPENCV)
 
 
+#ifdef OPENCV
+
 cv::Scalar obj_id_to_color(int obj_id) {
 	int const colors[6][3] = { { 1,0,1 },{ 0,0,1 },{ 0,1,1 },{ 0,1,0 },{ 1,1,0 },{ 1,0,0 } };
 	int const offset = obj_id * 123457 % 6;
@@ -469,4 +471,3 @@ public:
 	}
 };
 #endif	// OPENCV
-