stefanberger / swtpm / 4167

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swtpm: Restore logging to stderr on log open failure

When opening a log file fails (--log file=/some/path) for
whatever reason the @logfd variable is left set to -1 (the retval
of open()). And due to how _logprintf() is written, the
subsequent attempt to log this failure (logprintf()) returns too
early not printing the useful error.

Therefore, restore the original (CONSOLE_LOGGING) value.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>

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