fixed build with CUDA after latest merge

modules/gpu/src/hough.cpp

@@ -68,6 +68,8 @@ void cv::gpu::GeneralizedHough_GPU::release() {}
 
 #else /* !defined (HAVE_CUDA) */
 
+#include "opencv2/core/utility.hpp"
+
 namespace cv { namespace gpu { namespace device
 {
     namespace hough

modules/gpu/src/matrix_reductions.cpp

@@ -71,6 +71,7 @@ int cv::gpu::countNonZero(const GpuMat&, GpuMat&) { throw_nogpu(); return 0; }
 void cv::gpu::reduce(const GpuMat&, GpuMat&, int, int, int, Stream&) { throw_nogpu(); }
 
 #else
+#include "opencv2/core/utility.hpp"
 
 namespace
 {

modules/gpu/src/stereocsbp.cpp

@@ -55,6 +55,7 @@ cv::gpu::StereoConstantSpaceBP::StereoConstantSpaceBP(int, int, int, int, float,
 void cv::gpu::StereoConstantSpaceBP::operator()(const GpuMat&, const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
 
 #else /* !defined (HAVE_CUDA) */
+#include "opencv2/core/utility.hpp"
 
 namespace cv { namespace gpu { namespace device
 {