[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/time/lc-time-cleanup.c b/ap/libc/glibc/glibc-2.23/time/lc-time-cleanup.c
new file mode 100644
index 0000000..c909175
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/time/lc-time-cleanup.c
@@ -0,0 +1,37 @@
+/* Cleanup code for data structures kept by strftime/strptime helper functions.
+   Copyright (C) 2002-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "../locale/localeinfo.h"
+#include <stdlib.h>
+
+void internal_function
+_nl_cleanup_time (struct __locale_data *locale)
+{
+  struct lc_time_data *const data = locale->private.time;
+  if (data != NULL)
+    {
+      locale->private.time = NULL;
+      locale->private.cleanup = NULL;
+
+      free (data->eras);
+      free (data->alt_digits);
+      free (data->walt_digits);
+
+      free (data);
+    }
+}