Fix build - especially apu_private.h path and create from apu_private.hw

  WARNING Win32 builders:  please assure the following files are deleted
  from your tree before building:

  srclib/apr-util/include/apu_private.h
  srclib/apr/include/apr_private.h


git-svn-id: https://svn.apache.org/repos/asf/apr/apr-util/trunk@57992 13f79535-47bb-0310-9956-ffa450edef68
5 files changed