Remove ancient AIX structure workaround.

src/include/utils/datetime.h

@@ -9,7 +9,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/utils/datetime.h,v 1.58 2006/03/05 15:59:07 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/utils/datetime.h,v 1.59 2006/06/06 16:20:11 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -185,11 +185,7 @@
 /* keep this struct small; it gets used a lot */
 typedef struct
 {
-#if defined(_AIX)
-	char	   *token;
-#else
 	char		token[TOKMAXLEN];
-#endif   /* _AIX */
 	char		type;
 	char		value;			/* this may be unsigned, alas */
 } datetkn;