Change arg_len to be u16_t in shell_history_get since it is returning a value that can be hold by u16_t. Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
Extending shell with terminal-like history feature. Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>