Change appendStringInfoChar to appendStringInfoCharMacro in a couple of

hot spots --- buys about 10% in Verner's INSERT example.

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 1.125 2001/12/04 19:40:17 tgl Exp $
+ *	$Id: pqcomm.c,v 1.126 2001/12/04 20:57:22 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -610,7 +610,7 @@ pq_getstring(StringInfo s)
 
 	/* Read until we get the terminating '\0' */
 	while ((c = pq_getbyte()) != EOF && c != '\0')
-		appendStringInfoChar(s, c);
+		appendStringInfoCharMacro(s, c);
 
 	if (c == EOF)
 		return EOF;

src/backend/libpq/pqformat.c

@@ -16,7 +16,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$Id: pqformat.c,v 1.18 2001/10/25 05:49:30 momjian Exp $
+ *	$Id: pqformat.c,v 1.19 2001/12/04 20:57:22 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -102,7 +102,7 @@
 void
 pq_sendbyte(StringInfo buf, int byt)
 {
-	appendStringInfoChar(buf, byt);
+	appendStringInfoCharMacro(buf, byt);
 }
 
 /* --------------------------------