Some minor simplifications.
Some minor simplifications.

* subversion/libsvn_wc/adm_files.c:
  (init_adm_tmp_area): take a target path rather than an access baton.
    remove the check for the write lock, assuming caller has done that.
  (init_adm): adjust call to init_adm_tmp_area
  (svn_wc__adm_cleanup_tmp_area): adjust call to init_adm_tmp_area.

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