Add some unneccessary but potentially useful bulletproofing to allow use of versized floors in  floor1 on encode side (already worked properly decode-side).
Add some unneccessary but potentially useful bulletproofing to allow use of versized floors in 
floor1 on encode side (already worked properly decode-side).



git-svn-id: 03f0f1727258f1959b7b485b30a676bafdb78148@16956 0101bb08-14d6-0310-b084-bc0e0c8e3800

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