autoconf tests for iconv fail with undefined refs

[Brian Inglis]

On 2022-02-19 00:51, Lemures Lemniscati wrote:
> About libisocodes 1.2.4, these patches (attached) may help cygport-build.

Thanks Lem,

The first gets that build running, I already updated the second based on 
the checked in version.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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