FIX: Coverity defects


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4898 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: Coverity defects


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4899 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: Coverity defect


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4900 42a5c34f-2066-0410-bec5-ba365beb4995