ncurses: unbreak host build after auto-host-deps change

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ncurses/ncurses.mk

@@ -130,6 +130,8 @@ define HOST_NCURSES_BUILD_CMDS
 	$(MAKE) -C $(@D)/progs tic
 endef
 
+HOST_NCURSES_DEPENDENCIES =
+
 HOST_NCURSES_CONF_OPT = \
 	--without-shared --without-gpm