Revision 1883335

Fix unable to load *.pyd files with Python 3.8.x on Windows.

* subversion/bindings/swig/include/svn_global.swg
  (SVN_PYTHON_MODULEIMPORT): Add custom code to add search paths to resolve DLL
  dependencies when importing libsvn/*.pyd file.

* subversion/bindings/swig/core.i
* subversion/bindings/swig/svn_client.i
* subversion/bindings/swig/svn_delta.i
* subversion/bindings/swig/svn_diff.i
* subversion/bindings/swig/svn_fs.i
* subversion/bindings/swig/svn_ra.i
* subversion/bindings/swig/svn_repos.i
* subversion/bindings/swig/svn_wc.i
  Add moduleimport option with SVN_PYTHON_MODULEIMPORT to %module directive for
  Python.

Tested by: jcorvel
Reviewed by: jcorvel
             futatuki