Changed insch() family to use winsch() as core instead of PDC_chins(); after a similar change to addch.c.
Changed insch() family to use winsch() as core instead of PDC_chins();
after a similar change to addch.c.

BurningEnlightenment/PDCurses,BurningEnlightenment/PDCurses,BurningEnlightenment/PDCurses