Revert "external/iputils  Strict Aliasing Fix"

This reverts commit 7228f489439d66f125d18abbeadbaff03f282ace.
ported: ping: Fix aliasing violations

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>

Conflicts:
	ping.c
Ported to iputils by @synergydev
ping6: Use -fno-strict-aliasing for now

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>

Conflicts:
	Android.mk

Ported to iputils by @synergydev
ping: fix memset arguments