Bug 758837: add a comment to explain the source of the 15-char name length limit.  Copy the null terminator from the input thread name.  r=honzab.
Bug 758837: add a comment to explain the source of the 15-char name length
limit.  Copy the null terminator from the input thread name.  r=honzab.

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