Fixing the race condition in shlock.c

[Julien ÉLIE]

Hi Berend,

> If somebody is interested in having the fix I can post it here.

Of course you can post it.
However:

> And in case somebody wants to test the race condition:

I do not manage to reproduce the race condition with STABLE INN 2.4.5
shlock program.  I do not see "shlock race condition" in the output
of your script...
Should the race condition happen at least once during its execution?

-- 
Julien ÉLIE

« Il faut que j'en parle à notre chef ; ce n'est pas normal que des Romains
  bravent les dangers de la forêt, surtout quand les dangers, c'est nous ! » (Astérix)