Re: fix compile warning in pg_id

Patch applied. Thanks.

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Neil Conway wrote:
> I get the following warning when I compile src/bin/pg_id/pg_id.c:
>
> gcc -pipe -g -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/include -c -o pg_id.o pg_id.c -MMD
> pg_id.c: In function `main':
> pg_id.c:35: warning: unused variable `optarg'
>
> The attached trivial patch fixes the warning by removing the variable.
>
> -Neil
>

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