deactivate obj updates

[Poul-Henning Kamp]

In message <18AD381627308B47A6AED6D2E69D552F18E68857F0 at IE2RD2XVS201.red002.loca
l>, Uxio Faria Giraldez writes:

Sorry about the delay on this.

I have decided that obj.hits and obj.lastuse are too useful to be
ditched entirely, but instead I have added a parameter "obj_readonly"
which disbles updating them.

Hope this works for you.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Never attribute to malice what can adequately be explained by incompetence.