sds.c: Refactoring: create ds_sds_register_sce
sds.c: Refactoring: create ds_sds_register_sce

Move part of function to another function

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