[RF] Fix missing initializer warnings in MemPoolForRooSets.h
[RF] Fix missing initializer warnings in MemPoolForRooSets.h

olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root