Bug#222130: [PATCH] : fix invalid __libc_dlclose() in nsswitch.c

[David Kimdon <kimdon@esrf.fr>]

Hi,

So any comments or questions on this report? Any reason there hasn't
yet been a response?

To summarize:

Handles are marked as -1 (not as NULL) if a lookup fails.  The code
should look for that -1 before trying to free the handle or it will
call free() with an invalid pointer.

Upstream cvs still has this bug, would it be helpful if I forwarded
this upstream?

-David