Prevent stderr output in oscap-ds.c sds-split
Prevent stderr output in oscap-ds.c sds-split

Using the new ds_sds_session_can_register_component we can prevent
writing an error message to stderr in case the datastream doesn't have
any CPE dictionaries.

OpenSCAP/openscap,jan-cerny/openscap,Hexadorsimal/openscap,redhatrises/openscap,OpenSCAP/openscap,redhatrises/openscap,mpreisler/openscap,mpreisler/openscap,jan-cerny/openscap,jan-cerny/openscap,mpreisler/openscap,mpreisler/openscap,Hexadorsimal/openscap,Hexadorsimal/openscap,redhatrises/openscap,mpreisler/openscap,jan-cerny/openscap,redhatrises/openscap,Hexadorsimal/openscap,OpenSCAP/openscap,jan-cerny/openscap,OpenSCAP/openscap,OpenSCAP/openscap,redhatrises/openscap,redhatrises/openscap,OpenSCAP/openscap,mpreisler/openscap,Hexadorsimal/openscap,jan-cerny/openscap,Hexadorsimal/openscap