Fix update_tests.py 49, switch_tests.py 34 in single-db.
Fix update_tests.py 49, switch_tests.py 34 in single-db.

* subversion/libsvn_wc/adm_ops.c
  (svn_wc__internal_remove_from_revision_control): Don't return
   LEFT_LOCAL_MOD if the directory does not exist.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion