backlight(8): Update usage() to match the manual page
MFC after: 1 week
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@ -65,11 +65,11 @@ static void
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usage(void)
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{
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fprintf(stderr, "Usage:\n");
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fprintf(stderr, "\tbacklight [-f dev]\n");
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fprintf(stderr, "\tbacklight [-f dev] -i\n");
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fprintf(stderr, "\tbacklight [-f dev] <percent>\n");
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fprintf(stderr, "\tbacklight [-f dev] incr|+ <percent>\n");
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fprintf(stderr, "\tbacklight [-f dev] decr|- <percent>\n");
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fprintf(stderr, "\tbacklight [-q] [-f device]\n");
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fprintf(stderr, "\tbacklight [-q] [-f device] -i\n");
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fprintf(stderr, "\tbacklight [-f device] value\n");
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fprintf(stderr, "\tbacklight [-f device] incr|+ value\n");
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fprintf(stderr, "\tbacklight [-f device] decr|- value\n");
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exit(1);
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}
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