FIX: VC++ compiler errors

git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5128 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: VC++ compiler warnings

git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5129 42a5c34f-2066-0410-bec5-ba365beb4995