Send service-unavailable when Last Activity is disabled According to XEP-0012, the client should return a <service-unavailable/> error when it doesn't wish to divulge the information. This patch also adds a new option: iq_last_disable_when_notavail.

#ifndef __HELP_H__
#define __HELP_H__ 1

int help_process(char *string);

#endif /* __HELP_H__ */

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