Check setuid() and getuid() for errors

Thanks to Hector Marco for reporting.


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- Applied a patch from Jaroslav Škarvada (FTBFS if "-Werror=format-security" flag is used | https://bugzilla.redhat.com/show_bug.cgi?id=1037139)


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Update NEWS file

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Add -ssl_pass to /connect and /server

Fixes: Bug #305

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