Add externs for optarg/optind where apparently needed. Per Magnus.

contrib/oid2name/oid2name.c

@@ -4,7 +4,7 @@
  *
  * Originally by
  * B. Palmer, bpalmer@crimelabs.net 1-17-2001
- * $PostgreSQL: pgsql/contrib/oid2name/oid2name.c,v 1.29 2006/03/11 04:38:30 momjian Exp $
+ * $PostgreSQL: pgsql/contrib/oid2name/oid2name.c,v 1.30 2006/10/19 20:38:48 tgl Exp $
  */
 #include "postgres_fe.h"
 
@@ -13,6 +13,8 @@
 #include <getopt.h>
 #endif
 
+extern char *optarg;
+
 #include "libpq-fe.h"
 
 /* an extensible array to keep track of elements to show */

src/timezone/zic.c

@@ -3,7 +3,7 @@
  * 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov).
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/timezone/zic.c,v 1.17 2006/10/16 19:58:27 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/timezone/zic.c,v 1.18 2006/10/19 20:38:48 tgl Exp $
  */
 
 #include "postgres.h"
@@ -14,6 +14,9 @@
 #include <limits.h>
 #include <locale.h>
 
+extern int	optind;
+extern char *optarg;
+
 #include "private.h"
 #include "pgtz.h"
 #include "tzfile.h"