tree ccdc2bc8d7dcc368540f02ba7a844f1626f123d2
parent 1da4ec32ce06a1c4a6793bd927f349462892c205
author Shawn O. Pearce <sop@google.com> 1230566886 -0800
committer Shawn O. Pearce <sop@google.com> 1230574007 -0800

Fix Key.equals() to always consider the parent key

We didn't correctly consider cases where the parent key was null
on "this" but not on the supplied key instance.

Signed-off-by: Shawn O. Pearce <sop@google.com>