Initialize unused option item member pointers.
Initialize unused option item member pointers.

cburstedde/libsc,johannrudi/libsc,johannrudi/libsc,johannrudi/libsc,cburstedde/libsc,cburstedde/libsc,holke/libsc,holke/libsc,cburstedde/libsc,holke/libsc,holke/libsc,johannrudi/libsc,cburstedde/libsc,johannrudi/libsc