cudabgsegm module was not compiling. Changing all references of…

cudabgsegm module was not compiling.  Changing all references of opencv2/legacy.hpp to opencv2/cudalegacy.hpp seemed to work.
I'm new at this so it would be good to have someone familiar with the build system confirm the change.

modules/cudabgsegm/perf/perf_bgsegm.cpp

@@ -42,8 +42,8 @@
 
 #include "perf_precomp.hpp"
 
-#ifdef HAVE_OPENCV_LEGACY
-#  include "opencv2/legacy.hpp"
+#ifdef HAVE_OPENCV_CUDALEGACY
+#  include "opencv2/cudalegacy.hpp"
 #endif
 
 #ifdef HAVE_OPENCV_CUDAIMGPROC
@@ -72,7 +72,7 @@ using namespace perf;
 
 #if BUILD_WITH_VIDEO_INPUT_SUPPORT
 
-#ifdef HAVE_OPENCV_LEGACY
+#ifdef HAVE_OPENCV_CUDALEGACY
 
 namespace cv
 {
@@ -150,7 +150,7 @@ PERF_TEST_P(Video, FGDStatModel,
     }
     else
     {
-#ifdef HAVE_OPENCV_LEGACY
+#ifdef HAVE_OPENCV_CUDALEGACY
         IplImage ipl_frame = frame;
         cv::Ptr<CvBGStatModel> model(cvCreateFGDStatModel(&ipl_frame));
 

modules/cudabgsegm/test/test_bgsegm.cpp

@@ -42,8 +42,8 @@
 
 #include "test_precomp.hpp"
 
-#ifdef HAVE_OPENCV_LEGACY
-#  include "opencv2/legacy.hpp"
+#ifdef HAVE_OPENCV_CUDALEGACY
+#  include "opencv2/cudalegacy.hpp"
 #endif
 
 #ifdef HAVE_CUDA
@@ -66,7 +66,7 @@ using namespace cvtest;
 //////////////////////////////////////////////////////
 // FGDStatModel
 
-#if BUILD_WITH_VIDEO_INPUT_SUPPORT && defined(HAVE_OPENCV_LEGACY)
+#if BUILD_WITH_VIDEO_INPUT_SUPPORT && defined(HAVE_OPENCV_CUDALEGACY)
 
 namespace cv
 {