[BusyBox] Linker error in shell code when "cmd line editing" is enabled

[Vladimir N. Oleynik]

Patrick,

> The linker complains about undefined reference to "cmdedit_path_lookup",
> when CONFIG_FEATURE_COMMAND_EDITING is defined. 

Busybox makefile don`t know required a source for recompiling after
change many setup options.
Try remove ash.o cmdedit.o and make again.


--w
vodz