tree 1ad8cdee860b33f5d36e5a850d230f887c2801e1
parent f74caac770ab315fb11acf26269836cb70c11e82
author Josh Gao <jmgao@google.com> 1519683154 -0800
committer Josh Gao <jmgao@google.com> 1519698705 -0800

sigchain: fix various off by ones.

Signals start from 1 and end at _NSIG - 1.

Test: m test-art-host
Test: m test-art-target
Change-Id: I09a74bada5acd08ab8f7782075de6f340cdf914e