Add "%option noinput" to the scanners to avoid compiler warnings. GCC 4.3

began to realize that the input() function isn't used and printed warnings.

src/backend/parser/scan.l

@@ -24,7 +24,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/parser/scan.l,v 1.143 2008/04/04 12:44:36 mha Exp $
+ *	  $PostgreSQL: pgsql/src/backend/parser/scan.l,v 1.144 2008/05/09 15:36:31 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -101,6 +101,7 @@ static unsigned char unescape_single_char(unsigned char c);
 %option 8bit
 %option never-interactive
 %option nodefault
+%option noinput
 %option nounput
 %option noyywrap
 %option prefix="base_yy"