* subversion/libsvn_fs_fs/cached_data.c
* subversion/libsvn_fs_fs/index.c
* subversion/libsvn_fs_fs/pack.c
* subversion/libsvn_fs_fs/transaction.c
* subversion/libsvn_fs_x/cached_data.c
* subversion/libsvn_fs_x/index.c
* subversion/libsvn_fs_x/pack.c
* subversion/libsvn_fs_x/transaction.c
* subversion/libsvn_subr/io.c
* subversion/tests/libsvn_subr/io-test.c
  (block_read, stream_error_create, copy_item_to_temp, copy_rep_to_temp,
   copy_node_to_temp, store_item, pack_range): Use portable APR_SET, 
   APR_CUR and APR_END constants instead of SEEK_SET, SEEK_CUR and SEEK_END.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1624265 13f79535-47bb-0310-9956-ffa450edef68