Fraser Adams resolved PROTON-442.

    Resolution: Fixed

> Running swig generates "Warning(451): Setting a const char * variable may 
> leak memory."
> ---------------------------------------------------------------------------------------
>                 Key: PROTON-442
>                 URL: https://issues.apache.org/jira/browse/PROTON-442
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: 0.5
>            Reporter: Fraser Adams
>            Priority: Minor
> When building proton after doing cmake .. the make process is quite "noisy" 
> generating a number of warnings that ought to be corrected.
> One such warning is:
> "Warning(451): Setting a const char * variable may leak memory."
> This relates to the "const char *bytes;" in the pn_delivery_tag_t struct in 
> engine.h
> The swig documentation in http://www.swig.org/Doc1.3/Warnings.html suggests 
> how to suppress this warning (due to the way the code works I believe that 
> it's safe to suppress this case) by doing:
> %warnfilter(451) pn_delivery_tag_t;
> in the various python.i, perl.i etc.
> I've make the changes locally and this indeed works.
> I'll put together a review board request.

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