evdev: Add parentheses around '-' expression in operand of '&'.
This fixes a -Wparentheses error with GCC 9. Reviewed by: wulf Differential Revision: https://reviews.freebsd.org/D31947
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@ -101,7 +101,7 @@ static void evdev_mt_replay_events(struct evdev_dev *);
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static inline int
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ffc_slot(struct evdev_dev *evdev, slotset_t slots)
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{
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return (ffs(~slots & (2U << MAXIMAL_MT_SLOT(evdev)) - 1) - 1);
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return (ffs(~slots & ((2U << MAXIMAL_MT_SLOT(evdev)) - 1)) - 1);
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}
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void
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