common: Change daemon startup timeout from 5 to 8 seconds.
* common/asshelp.c (SECS_TO_WAIT_FOR_AGENT): Change from 5 to 8 seconds. (SECS_TO_WAIT_FOR_KEYBOXD): Ditto. (SECS_TO_WAIT_FOR_DIRMNGR): Ditto.
Experience on Windows showed that right after re-booting we may need
some more time to get things up.