Use ffi.gc instead if explicit free.
Use ffi.gc instead if explicit free.

mniestroj/turbo,ddysher/turbo,luastoned/turbo,luastoned/turbo,ddysher/turbo,kernelsauce/turbo,YuanPeir-Chen/turbo-support-mipsel,zcsteele/turbo,zcsteele/turbo,YuanPeir-Chen/turbo-support-mipsel