Bug 596798: ensure that the output buffer of _snwprintf is null-terminated. Patch by Nelson Bolyard <nelson@bolyard.me>.  r=wtc.
Bug 596798: ensure that the output buffer of _snwprintf is null-terminated.
Patch by Nelson Bolyard <nelson@bolyard.me>.  r=wtc.

thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss