Address new GCC warning instance

14 jobs for master in 11 minutes and 21 seconds (queued for 16 seconds)
Status Job ID Name Coverage
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passed #34577
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jsdoor-freebsd

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jsdoor-linux

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jsdoor-windows

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sbbs-freebsd

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sbbs-linux

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sbbs-windows

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FreeBSD
sexpots-freebsd

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sexpots-linux

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sexpots-windows

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syncdraw-freebsd

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syncdraw-linux

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syncterm-freebsd

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syncterm-linux

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passed #34574
FreeBSD
syncterm-windows

00:01:44