Partial fix for Issue #443: post-commit hook script (error) output lost
   This is step 4 : Replace all usage of svn_client_commit_info2_t with
   svn_commit_info_t.
   Remove svn_client_commit_info2_t and svn_client_create_commit_info.

   * subversion/include/svn_client.h
     (svn_client_commit_info2_t): Removed.
     (svn_client_create_commit_info): Removed.
     (svn_client_mkdir2, svn_client_delete2, svn_client_import2, 
      svn_client_commit3, svn_client_copy2, svn_client_move3):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/libsvn_client/delete.c
     (delete_urls, svn_client_delete2):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/libsvn_client/client.h
     (svn_client__commit_get_baton):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/libsvn_client/copy.c
     (repos_to_repos_copy, wc_to_repos_copy, setup_copy,
      svn_client_copy2, svn_client_copy, svn_client_move3
      svn_client_move2):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/libsvn_client/commit_util.c
     (commit_baton, svn_client__commit_get_baton,
      svn_client__commit_callback):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/libsvn_client/add.c
     (mkdir_urls, svn_client_mkdir2, svn_client_mkdir):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/libsvn_client/commit.c
     (get_ra_editor, svn_client_import2, svn_client_import,
      svn_client_commit3, svn_client_commit2):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/clients/cmdline/cl.h
     (svn_cl__print_commit_info):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/clients/cmdline/move-cmd.c
     (svn_cl__move):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/clients/cmdline/mkdir-cmd.c
     (svn_cl__mkdir):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/clients/cmdline/copy-cmd.c
     (svn_cl__copy):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/clients/cmdline/util.c
     (svn_cl__print_commit_info):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/clients/cmdline/commit-cmd.c
     (svn_cl__commit):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/clients/cmdline/delete-cmd.c
     (svn_cl__delete):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.

   * subversion/clients/cmdline/import-cmd.c
     (svn_cl__import):
      Use svn_commit_info_t instead of svn_client_commit_info2_t.