Argument 'maux' was still be assumed in some of the averaging routines;  I had gotten rid of this in ClawPatch calls, so was getting bogus icorner values.  This seems to fix the problem with internal corners.
Argument 'maux' was still be assumed in some of the averaging routines;  I had gotten rid of this
in ClawPatch calls, so was getting bogus icorner values.  This seems to fix the problem
with internal corners.

ForestClaw/forestclaw,ForestClaw/forestclaw,ForestClaw/forestclaw,ForestClaw/forestclaw,ForestClaw/forestclaw,ForestClaw/forestclaw