Remove unused forward declaration from TBufferMerger header
Remove unused forward declaration from TBufferMerger header

olifre/root,zzxuanyuan/root,root-mirror/root,root-mirror/root,olifre/root,karies/root,olifre/root,olifre/root,root-mirror/root,olifre/root,karies/root,root-mirror/root,zzxuanyuan/root,karies/root,root-mirror/root,zzxuanyuan/root,root-mirror/root,zzxuanyuan/root,karies/root,olifre/root,root-mirror/root,root-mirror/root,zzxuanyuan/root,zzxuanyuan/root,olifre/root,karies/root,karies/root,root-mirror/root,zzxuanyuan/root,root-mirror/root,olifre/root,karies/root,olifre/root,olifre/root,karies/root,karies/root,root-mirror/root,zzxuanyuan/root,karies/root,karies/root,zzxuanyuan/root,zzxuanyuan/root,zzxuanyuan/root,olifre/root,zzxuanyuan/root