Add missing chrono includes

Fixes build failure when using MSVC STL 17.13 and newer (see https://github.com/microsoft/STL/releases/tag/vs-2022-17.13 )
See also microsoft/vcpkg#44047

Author: mvieth

apps/src/ppf_object_recognition.cpp

@@ -9,6 +9,7 @@
 #include <pcl/segmentation/sac_segmentation.h>
 #include <pcl/visualization/pcl_visualizer.h>
 
+#include <chrono>
 #include <thread>
 
 using namespace pcl;

examples/stereo/example_stereo_baseline.cpp

@@ -1,3 +1,4 @@
+#include <chrono>
 #include <thread>
 
 #include <pcl/stereo/stereo_matching.h>

tools/obj_rec_ransac_accepted_hypotheses.cpp

@@ -58,6 +58,7 @@
 #include <vtkHedgeHog.h>
 #include <vtkMatrix4x4.h>
 #include <algorithm>
+#include <chrono>
 #include <cstdio>
 #include <thread>
 #include <vector>

tools/obj_rec_ransac_hash_table.cpp

@@ -53,6 +53,7 @@
 #include <vtkDataArray.h>
 #include <vtkPointData.h>
 #include <vtkGlyph3D.h>
+#include <chrono>
 #include <cstdio>
 #include <thread>
 

tools/obj_rec_ransac_model_opps.cpp

@@ -52,6 +52,7 @@
 #include <vtkDataArray.h>
 #include <vtkPointData.h>
 #include <vtkHedgeHog.h>
+#include <chrono>
 #include <cstdio>
 #include <thread>
 

tools/obj_rec_ransac_orr_octree.cpp

@@ -63,6 +63,7 @@
 #include <vtkRenderWindow.h>
 #include <vector>
 #include <list>
+#include <chrono>
 #include <cstdlib>
 #include <cstring>
 #include <cstdio>

tools/obj_rec_ransac_orr_octree_zprojection.cpp

@@ -62,6 +62,7 @@
 #include <vtkCubeSource.h>
 #include <vtkPointData.h>
 #include <vector>
+#include <chrono>
 #include <cstdlib>
 #include <cstring>
 #include <cstdio>

tools/obj_rec_ransac_result.cpp

@@ -57,6 +57,7 @@
 #include <vtkRenderer.h>
 #include <vtkRenderWindow.h>
 #include <vtkTransform.h>
+#include <chrono>
 #include <cstdio>
 #include <list>
 #include <thread>

tools/obj_rec_ransac_scene_opps.cpp

@@ -53,6 +53,7 @@
 #include <vtkDataArray.h>
 #include <vtkPointData.h>
 #include <vtkHedgeHog.h>
+#include <chrono>
 #include <cstdio>
 #include <thread>
 

visualization/include/pcl/visualization/impl/registration_visualizer.hpp

@@ -38,6 +38,7 @@
 
 #pragma once
 
+#include <chrono>
 #include <thread>