$NetBSD: patch-ab,v 1.1.1.1 2010/07/21 11:25:42 drochner Exp $

--- usbprog/date.cc.orig	2010-07-15 16:07:07.000000000 +0000
+++ usbprog/date.cc
@@ -14,7 +14,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
-#define _XOPEN_SOURCE
 #include <cstdio>
 #include <string>
 #include <time.h>