src/apoint.c: Format recurrent multi-day items properly
src/apoint.c: Format recurrent multi-day items properly

Enable "..:.." formatting for recurrent appointments that last beyond
midnight. Apart from our recurrent item handler being a tad broken,
there is no reason not to do the same thing we already do with regular
appointments here.

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

lfos/calcurse,lfos/calcurse,lfos/calcurse