avoid compiler warning in getopt.h

[Jeff Johnston]

Patch applied.

-- Jeff J.

On 07/10/09 11:20 PM, Eric Blake wrote:
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> According to Eric Blake on 9/26/2009 11:46 AM:
>> OK to apply, to avoid warnings about declaring the unused type getopt_data
>> inside a function argument list?
>>
>> 2009-09-26  Eric Blake<ebb9@byu.net>
>>
>> 	* libc/include/getopt.h (__getopt_r, __getopt_long_r)
>> 	(__getopt_long_only_r): Protect declarations, to avoid compiler
>> 	warning.
>
> Ping.
>
> - --
> Don't work too hard, make some time for fun as well!
>
> Eric Blake             ebb9@byu.net
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