Patch set for Calligra

[Matthew Rezny]

I have compiled Calligra on FreeBSD with Clang, which is now part of the base system as alternative to gcc. In doing so, I have put together a set of patches to  quiet some warning and quell some errors as Clang's parser is more strict than gcc. Some of the warnings led me to correct subtle errors in the code so I believe this patch set is of value to all and not just for Clang compatibility. It has only been lightly tested.
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