Fix a sizeof to take the size of the correct pointer type.
Fix a sizeof to take the size of the correct pointer type.

* subversion/libsvn_fs_fs/fs_fs.c
  (svn_fs_fs__abort_txn): dir_cache_id is an array of svn_fs_id_t *,
   not apr_hash_t *, so use that when calculating the block of memory
   to memset.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@867337 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion