On the fsfs-improvements branch:  Make the contents of the 
txn-current file match the /trunk behavior again.

* subversion/libsvn_fs_fs/transaction.c
  (get_and_increment_txn_key_body): append a newline

Found by: philip


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsfs-improvements@1508096 13f79535-47bb-0310-9956-ffa450edef68