[automerger skipped] ANDROID: do not leak memory in iptables-restore am: db32596111 -s ours

am skip reason: Change-Id Idcd81084e05acadf33ba885084d67e26082dc9b2 with SHA-1 3894dca845 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/iptables/+/12627835

Change-Id: I7c7f3951abcf73c656983eb2a2b95e13d37578ff