another Semaphore patch

[Vaclav Haisman]

Hi, 

I tryed to compile demo and it failed becuse of undefined reference to
sem_getvalue(). This was caused by Semaphore::getValue() not being inside
#ifdef _SYSV_SEMAPHORES block and haveing only Posix version implemented.
The patch fixes it. I also moved definition of _SYSV_SEMAPHORES before
inclusion of semaphores.h and made the inclusion conditional with
_SYSV_SEMAPHORES. The change in initializers is to get rid of warning:
aggregate has a partly bracketed initializer.


Vaclav Haisman

moresemaphores.diff
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