tree 20a7e0177ce772f84c4f8f7d0ccd80f595958155
parent 7fdcb19e10528afd1cd0a80fa2efa51e5e6e3aba
author Tao Bao <tbao@google.com> 1492451040 -0700
committer Tao Bao <tbao@google.com> 1492469950 -0700

Fix the double free in verify_package_compatibility().

"""
void* cookie;
std::unique_ptr<void, decltype(&EndIteration)> guard(cookie, EndIteration);
  ...
EndIteration(cookie);
"""

The above pattern is buggy that frees 'cookie' twice.

Bug: 37413730
Test: Build new recovery and adb sideload a previously crashed package
      that contains 'compatibility.zip'.
Change-Id: I183c33827fb28a438ebaedda446e84cabe7cb92d
(cherry picked from commit f978278995d02a58e311fe017bdbb2c3702dd3bc)