Re-order struct to avoid alignment issues
Re-order struct to avoid alignment issues

jmptrader/raft-1,tempbottle/raft-2,otoolep/raft,hashicorp/raft,quantiply-fork/raft,sean-/raft,dgnorton/raft,wantonsolutions/raft,PattyW/raft_govec,hashicorp/raft