Update PCL 1.8.1 RC2

Update PCL 1.8.1 RC2

ports/pcl/CONTROL

@@ -1,4 +1,4 @@
 Source: pcl
-Version: 1.8.1rc1-1
+Version: 1.8.1rc2
 Build-Depends: boost, eigen3, flann, qhull, vtk, openni2, qt5
 Description: Point Cloud Library (PCL) is open source library for 2D/3D image and point cloud processing.

ports/pcl/config.patch

@@ -1,5 +1,5 @@
 diff --git a/PCLConfig.cmake.in b/PCLConfig.cmake.in
-index f3089dfec..67ba5297c 100644
+index f4ef6a0ff..63c01c6d2 100644
 --- a/PCLConfig.cmake.in
 +++ b/PCLConfig.cmake.in
 @@ -155,7 +155,7 @@ macro(find_qhull)
@@ -27,7 +27,7 @@ index f3089dfec..67ba5297c 100644
 +  get_filename_component(PCL_ROOT "${PCL_ROOT}" PATH)
  else(WIN32 AND NOT MINGW)
  # PCLConfig.cmake is installed to PCL_ROOT/share/pcl-x.y
-   set(PCL_ROOT "@CMAKE_INSTALL_PREFIX@")
+   get_filename_component(PCL_ROOT "${CMAKE_CURRENT_LIST_DIR}/../.." ABSOLUTE)
 @@ -725,7 +726,7 @@ if(EXISTS "${PCL_ROOT}/include/pcl-${PCL_VERSION_MAJOR}.${PCL_VERSION_MINOR}/pcl
    # Found a PCL installation
    # pcl_message("Found a PCL installation")

ports/pcl/portfile.cmake

@@ -15,8 +15,8 @@ include(vcpkg_common_functions)
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO PointCloudLibrary/pcl
-    REF pcl-1.8.1rc1
-    SHA512 c719f7ff8cc5be3cfb5f01c89727e94858ed0cf5d50e2b884599e4a5b289564b4e2843979406b62adee1f2cee7332195dcd6219e99accef5700f3119758eb53f
+    REF pcl-1.8.1rc2
+    SHA512 e5bf069f0eacfaf068b37cb0d17bed65a83dddc30c0eaa2ef70bbc534ab1cfc690e581913cd39df6246ba73b5f76fb229d90e0c5b4971744f341f7d2abb57229
     HEAD_REF master
 )
 
@@ -43,8 +43,8 @@ vcpkg_configure_cmake(
         -DBUILD_surface_on_nurbs=ON
         -DBUILD_tools=OFF
         # PCL
-        -DPCL_BUILD_WITH_BOOST_DYNAMIC_LINKING_WIN32=ON
-        -DPCL_BUILD_WITH_FLANN_DYNAMIC_LINKING_WIN32=ON
+        -DPCL_BUILD_WITH_BOOST_DYNAMIC_LINKING_WIN32=${CRT_LINKAGE}
+        -DPCL_BUILD_WITH_FLANN_DYNAMIC_LINKING_WIN32=${CRT_LINKAGE}
         -DPCL_SHARED_LIBS=${CRT_LINKAGE}
         # WITH
         -DWITH_CUDA=OFF