modules/proxy/proxy_util.c:494: error: UNINITIALIZED_VALUE
  The value read from ip_addr[_] was never initialized.

modules/proxy/proxy_util.c:494:29: 
492.          * (so that 192.168.0.0 is equivalent to 192.168.)
493.          */
494.         while (quads > 0 && ip_addr[quads - 1] == 0) {
                                 ^
495.             --quads;
496.         }
