foldinfo.c:193:14: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]

[dcb314]

Source code is

 accspooldir=(wwsdir=           /* world writable spool dir? */
    (((S_IWGRP|S_IXGRP|S_IWOTH|S_IXOTH)&stbuf.st_mode)==
     (S_IWGRP|S_IXGRP|S_IWOTH|S_IXOTH))
  <<1|                       /* note it in bit 1 */
  uid==stbuf.st_uid);      /* we own the spool dir, note it in bit 0 */

Suggest add some ( and ) someplace.