On 1.8.x-r1544597 branch, followup to r1564587, correct function name.

* subversion/libsvn_wc/wc_db.c
  (db_read_props): Add forward declaration.
  (read_single_info): Call db_read_props not db_read_props_internal.


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x-r1544597@1582555 13f79535-47bb-0310-9956-ffa450edef68