netcat: net applet (alias to nc)

netcat: net applet (alias to nc)

function                                             old     new   delta
packed_usage                                       31807   31856     +49
applet_names                                        2701    2708      +7
applet_main                                         1560    1564      +4
applet_install_loc                                   195     196      +1
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(add/remove: 0/0 grow/shrink: 4/0 up/down: 61/0)               Total: 61 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>