whisper : expose API to let user control log output (#1060)
* expose api to let user control log output
Add
whisper_set_log_callback()
that lets user set a callback for log messages.
Change all the
fprintf(stderr, ...)
to call via the above.
* whisper : add <cstdarg>
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Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
