On the fsfs-format7 branch: FSFS refactoring.  Move the verification
code to a separate source file.

* subversion/libsvn_fs_fs/fs_fs.h
  (svn_fs_fs__ensure_revision_exists): extend commentary
  (svn_fs_fs__verify): move declaration from here ...

* subversion/libsvn_fs_fs/verify.h
  (): new file
  (svn_fs_fs__verify): .. to here

* subversion/libsvn_fs_fs/fs.c
  (): #include the new header

* subversion/libsvn_fs_fs/fs_fs.c
  (ensure_revision_exists): merge into ...
  (svn_fs_fs__ensure_revision_exists): ... this one
  (verify_walker_baton_t
   verify_walker,
   verify_rep_cache,
   compare_l2p_to_p2l_index,
   compare_p2l_to_l2p_index,
   verify_index_consistency,
   svn_fs_fs__verify): move from here ...

* subversion/libsvn_fs_fs/verify.c
  (): new file
  (verify_walker_baton_t
   verify_walker,
   verify_rep_cache,
   compare_l2p_to_p2l_index,
   compare_p2l_to_l2p_index,
   verify_index_consistency,
   svn_fs_fs__verify): ... to here


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsfs-format7@1484188 13f79535-47bb-0310-9956-ffa450edef68