Rect fix

git-svn-id: svn://localhost/ardour2/trunk@789 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --cc libs/ardour/ardour/session.h
Simple merge

diff --cc libs/ardour/session.cc
Simple merge

diff --cc libs/ardour/session_state.cc
Simple merge

diff --cc libs/ardour/track.cc
Simple merge