FIX: Coverity defect


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4909 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: check for function return values / error status (Coverity defects)


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4910 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: missing namespace


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4911 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: gzseek returns offset, not zero, upon success.


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4912 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: check return value


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4913 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: check return value


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4914 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: check return value


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4915 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: check return value


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@4916 42a5c34f-2066-0410-bec5-ba365beb4995