nc: fix SEGV on -v when NC_EXTRA is off
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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		@@ -766,7 +766,7 @@ int nc_main(int argc UNUSED_PARAM, char **argv)
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	getopt32(argv, "hnp:s:uvw:" IF_NC_SERVER("l")
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			IF_NC_EXTRA("i:o:z"),
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			&str_p, &str_s, &o_wait
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			IF_NC_EXTRA(, &str_i, &str_o, &o_verbose));
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			IF_NC_EXTRA(, &str_i, &str_o), &o_verbose);
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	argv += optind;
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#if ENABLE_NC_EXTRA
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	if (option_mask32 & OPT_i) /* line-interval time */
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