src/event.c: Fix event_inday()
src/event.c: Fix event_inday()

Nasty off-by-one error here. An event should be associated with a day if
it starts at 12:00 a.m. and shouldn't be associated if it enters the
next day.

Signed-off-by: Lukas Fleischer <af90e31281d8305af43dc616c5aaca3c7165f8a7@cryptocrack.de>

lfos/calcurse,lfos/calcurse,lfos/calcurse