[perl #124234] Cannot declare unsigned int return values from native functions

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# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #124234]
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# <URL: https://rt.perl.org/Ticket/Display.html?id=124234 >


The mysql C API uses unsigned integers as return values in several
places. However when I declare an 'is native<libmysql>' function with
"returns uint" or "returns uint32", I get

    Unknown type uint used in native call.

which is rather unfortunate.