newlib cvs opendir family leaks?

[Joel Sherrill]

Hi,

Just a heads up in case someone can identify
this before I do.  The RTEMS readdir() test
fails after switching to newlib's readdir() family.
I have tracked this down to the newlib implementation
leaking file descriptors.

With RTEMS, we configure a hard limit on the number
of concurrent open file descriptors.

I tried to desk check this out but didn't spot it.
I am working on it but hoped someone might see
something wrong in the code.

Thanks.

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