Ncurses is in the repo. I've just missed the dependency. Will fix.
Opps - missed that - It seems to be installed anyway, but ? broken
humax# ldd nano
libncurses.so.5 => not found
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x2aab3000)
libc.so.0 => /lib/libc.so.0 (0x2aac4000)
ld-uClibc.so.0 => /lib/ld-uClibc.so.0 (0x2aaa8000)
humax#
humax# cd lib
humax# ls
charset.alias libgmp.so.10.0.1 libmudflapth.so.0.0.0
coreutils libgomp.a libncurses.so
crt1.o libgomp.la libncurses.so.5
crti.o libgomp.so libncurses.so.5.9
crtn.o libgomp.so.1 libopcodes.a
e2initrd_helper libgomp.so.1.0.0 libopcodes.la