*** ./regress/tryopen.c.ORIG	Tue Mar 29 16:06:07 2011
--- ./regress/tryopen.c	Tue Mar 29 16:06:46 2011
***************
*** 37,44 ****
--- 37,46 ----
  #include <stdio.h>
  #include <stdlib.h>
  #ifndef HAVE_GETOPT
+ #ifndef _AIX51
  #include "getopt.h"
  #endif
+ #endif
  
  #include "zip.h"