udhcpc: do not accept --background on NOMMU (same as -b)
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -73,7 +73,9 @@ static const char udhcpc_longopts[] ALIGN1 =
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"request-option\0" Required_argument "O"
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"no-default-options\0" No_argument "o"
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"foreground\0" No_argument "f"
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USE_FOR_MMU(
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"background\0" No_argument "b"
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)
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"broadcast\0" No_argument "B"
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IF_FEATURE_UDHCPC_ARPING("arping\0" Optional_argument "a")
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IF_FEATURE_UDHCP_PORT("client-port\0" Required_argument "P")
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