small patch to suppress a warning

[Niels Möller]

Stephan Pleines <pleines.stephan at gmail.com> writes:

> So what is the verdict in this patch please?

Adding the pair of parentheses makes the code slightly more readable to
me. But it would still be nice if you could say what the warninsg
message to be suppressed is, and which compiler and version produces that
warning.

Regards,
/Niels

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