Fix crash related to nil _time_in_air
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@ -303,7 +303,7 @@ local arrow_entity = {
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-- mcl_burning.tick may remove object immediately
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if not self.object:get_pos() then return end
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self._time_in_air = self._time_in_air + dtime
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self._time_in_air = (self._time_in_air or 0) + dtime
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-- Give the arrows a maximum flight time
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if self._time_in_air > ARROW_TIMEOUT then
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