On the fsfs-format7 branch: fix a copy'n'pasto that resulted in invalid
on-disk data for rep containers.

* subversion/libsvn_fs_fs/reps.c
  (svn_fs_fs__write_reps_container): serialize the right array

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsfs-format7@1490959 13f79535-47bb-0310-9956-ffa450edef68