compaction_manager: compaction_reenabler: disambiguate compaction_state
compaction_manager: compaction_reenabler: disambiguate compaction_state

compaciton_state is used both as a type and a function, which gcc
does not like. Disambiguate by fully qualifying the type name.

scylladb/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla