[vxworks] vxlib-tls patch

[Nathan Sidwell]

I've applied this patch to fix a couple of vxworks issues.

1) we need to enter the right context in the delete hook for kernel modules

2) one cannot call taskDeleteHookDelete from inside a delete hook.  If you do 
that, the hook will be deleted, but because of the implementation, then next 
hook in the list will be skipped.  This is undocumented.  Anyway, there's no 
need to be so tidy, the normal process termination goo DTRT.

nathan
-- 
Nathan Sidwell    ::   http://www.codesourcery.com   ::         CodeSourcery

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