Origin for each line in swap.init from check-in 5062c9b6fc:

5062c9b6fc 2019-10-19    1: # vim:ft=make:
5062c9b6fc 2019-10-19    2: 
5062c9b6fc 2019-10-19    3: SWAP_ENABLED!=sysctl -n vm.swap_enabled
5062c9b6fc 2019-10-19    4: 
5062c9b6fc 2019-10-19    5: swap: savecore
5062c9b6fc 2019-10-19    6: .if ${SWAP_ENABLED} != 0
5062c9b6fc 2019-10-19    7: 	: Enabling swap.
5062c9b6fc 2019-10-19    8: 	swapon -a
5062c9b6fc 2019-10-19    9: .endif