declare a variable at the start of bwi_dma_free() instead of several times throughout the function, in and outside of a loop.
declare a variable at the start of bwi_dma_free() instead
of several times throughout the function, in and outside
of a loop.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars