Bug 492303: fixed build errors on WINCE, which doesn't have _tzset and _putenv_s.  The patch is contributed by Hiroyuki Ikezoe <ikezoe@clear-code.com>.  r=wtc.
Bug 492303: fixed build errors on WINCE, which doesn't have _tzset and
_putenv_s.  The patch is contributed by Hiroyuki Ikezoe
<ikezoe@clear-code.com>.  r=wtc.

thespooler/nspr,thespooler/nspr,thespooler/nspr,thespooler/nspr,thespooler/nspr