Fix thinko (revealed by gcc warning).

src/backend/libpq/pqcomm.c

@@ -29,7 +29,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$Id: pqcomm.c,v 1.120 2001/08/07 10:44:15 petere Exp $
+ *	$Id: pqcomm.c,v 1.121 2001/08/07 15:55:16 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -706,9 +706,13 @@ pq_eof(void)
 
 	res = recv(MyProcPort->sock, &x, 1, MSG_PEEK);
 
-	if (res == -1)
+	if (res < 0)
+	{
+		/* don't try to elog here... */
 		fprintf(stderr, "pq_eof: recv() failed: %s\n", strerror(errno));
-	else if (res == 0)
+		return EOF;
+	}
+	if (res == 0)
 		return EOF;
 	else
 		return 0;