dump_vpd_log: calls mktemp to allow multiple instances.

R=hungte@chromium.org
BUG=chrome-os-partner:3412
TEST=Tested on target machine.
% activate_date --clean && activate_date
% dump_vpd_log --force & dump_vpd_log --force & ... &
% cat /var/log/vpd_2.0.txt
Expect the ActivateDate is set to current.

Review URL: http://codereview.chromium.org/6879104

(cherry picked from commit 493e28f014ff21f5b838aef91adbc618c6c04d9d)

Change-Id: I79d304956b8b9796b628586127a95aef24f16e29
Reviewed-on: http://gerrit.chromium.org/gerrit/2975
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
Tested-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
1 file changed
tree: b3c423d792445b80215e6491ef6da2f9cf328e11
  1. include/
  2. lib/
  3. util/
  4. LICENSE
  5. Makefile
  6. README
  7. vpd.c