Use one db operation instead of a few when looking whether to set read-only and executable.
Use one db operation instead of a few when looking whether to set read-only
and executable.

* subversion/libsvn_wc/translate.c
  (svn_wc__maybe_set_executable,
   svn_wc__maybe_set_read_only): Use svn_wc__db_read_node_install_info
     instead of multiple db operations to determine the state for these
     attributes.

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