Bugzilla bug 303345: restored the SYM_OFFSET macro to make the code easier to understand.  Suggested by Simon Fraser.
Bugzilla bug 303345: restored the SYM_OFFSET macro to make the code easier
to understand.  Suggested by Simon Fraser.

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