removed keypoint_matching.cpp from samples/cpp/CMakeLists.txt, fixed some crashes in select3dobj.cpp

samples/cpp/CMakeLists.txt

@@ -45,7 +45,6 @@ if (BUILD_EXAMPLES)
     MY_DEFINE_EXAMPLE(select3dobj  select3dobj.cpp)
     MY_DEFINE_EXAMPLE(connected_components  connected_components.cpp)
     MY_DEFINE_EXAMPLE(contours2  contours2.cpp)
-    MY_DEFINE_EXAMPLE(keypoints_matching  keypoints_matching.cpp)
     MY_DEFINE_EXAMPLE(morphology2  morphology2.cpp)
     MY_DEFINE_EXAMPLE(segment_objects  segment_objects.cpp)
 endif(BUILD_EXAMPLES)

samples/cpp/select3dobj.cpp

@@ -341,7 +341,8 @@ int main(int argc, char** argv)
             tempobj[6] = tempobj[2] + Point3f(0,0,Z);
             tempobj[7] = tempobj[3] + Point3f(0,0,Z);
             
-            projectPoints(Mat(tempobj), rvec, tvec, calibrated.cameraMatrix, Mat(), tempimg);
+            projectPoints(Mat(tempobj), rvec, tvec, calibrated.cameraMatrix,
+                          calibrated.distCoeffs, tempimg);
 
             if( npt == 0 && nobjpt == 0 )
                 nOutlinePt = 0;