Fix for INET 00/0

This seems like the reasonable fix for this problem, and I am going to
apply it. Any comments?

---------------------------------------------------------------------------

Index: src/backend/utils/adt/inet_net_ntop.c
===================================================================
RCS file: /usr/local/cvsroot/pgsql/src/backend/utils/adt/inet_net_ntop.c,v
retrieving revision 1.4
diff -c -r1.4 inet_net_ntop.c
*** src/backend/utils/adt/inet_net_ntop.c	1999/01/01 04:17:13	1.4
--- src/backend/utils/adt/inet_net_ntop.c	1999/05/25 05:17:40
***************
*** 207,213 ****

  	/* Format whole octets plus nonzero trailing octets. */
  	tb = (bits == 32) ? 31 : bits;
! 	for (b = 0; b <= (tb / 8) || (b < len && *src != 0); b++)
  	{
  		if (size < sizeof "255.")
  			goto emsgsize;
--- 207,213 ----

/* Format whole octets plus nonzero trailing octets. */
tb = (bits == 32) ? 31 : bits;
! for (b = 0; bits != 0 && (b <= (tb / 8) || (b < len && *src != 0)); b++)
{
if (size < sizeof "255.")
goto emsgsize;

-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist@candle.pha.pa.us            |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026