Following up on r1631392, add flush entries call to avoid theoretical stale
data.

* subversion/libsvn_wc/wc_db.c
  (process_committed_leaf): Flush entries, as we might forget that now
    because we call directly into db functions.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1631706 13f79535-47bb-0310-9956-ffa450edef68