further fix for issue #1012 when compiling on Windows 32bit (MSVC2010). If class BearingAngleImage is exported using PCL_EXPORTS, its base class pcl::PointCloud must be exported as well.
Merge pull request #1020 from magro11/PCL_EXPORTS_pointCloud

further fix for issue #1012 when compiling on Windows 32bit (MSVC2010). ...