[Xml-compile] $_[0] + 0.0 for sloppy floats

[Mark Overmeer]

* hmepas (hmepas at gmail.com) [141207 08:58]:
> Then if we converting to json structure which came out after XML::Compile
> deserialization, floats and decimals will be like "3.14".

I did not know that the JSON module peeks into the SV.  It's a good
reason (I also sometimes convert XML into JSON directly)

The patch is accepted for next release.
-- 
Thanks!

               MarkOv

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       Mark Overmeer MSc                                MARKOV Solutions
       Mark at Overmeer.net                          solutions at overmeer.net
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