Following up on r1453925, resolve a potentially uninitialized variable problem caused by using the same name for an argument and a local variable. Apply further query optimization by caching the properties in ram.
Following up on r1453925, resolve a potentially uninitialized variable problem
caused by using the same name for an argument and a local variable. Apply
further query optimization by caching the properties in ram.

* subversion/libsvn_wc/wc_db.c
  (db_get_changed_props): New function.
  (db_read_inherited_props): Use db_get_changed_props to avoid querying the
    same NODES record again for every parent directory. Remove variable
    shadowing.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1453948 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion