from upstream cvs, fixes bug 46889, memory leak in strtotime()

$OpenBSD: patch-ext_date_php_date_c,v 1.1 2008/12/20 21:35:38 sthen Exp $
--- ext/date/php_date.c.orig	Tue Dec  2 18:01:57 2008
+++ ext/date/php_date.c	Fri Dec 19 20:42:27 2008
@@ -1143,7 +1143,7 @@ PHP_FUNCTION(strtotime)
 	t = timelib_strtotime(times, time_len, &error, DATE_TIMEZONEDB);
 	error1 = error->error_count;
 	timelib_error_container_dtor(error);
-	timelib_fill_holes(t, now, 0);
+	timelib_fill_holes(t, now, TIMELIB_NO_CLONE);
 	timelib_update_ts(t, tzi);
 	ts = timelib_date_to_int(t, &error2);
 
