IPACM: fix crash issue in LE

Identify the double free issue on handle_private_subnet
function in wlan instance when we check-in the lan2lan
feature. Also fix some minor issues in current codes.

Change-Id: I4099672e17c92639bcbd4320a94eb008054c617b
3 files changed
tree: a46f06e6f800f8f6b4bed489a376e6ba4593757d
  1. ipacm/
  2. ipanat/
  3. configure.ac
  4. Makefile.am