Fix the 'is applied' test in Raft.

Author: kvap

contrib/raftable/raft/src/raft.c

@@ -753,13 +753,13 @@ int raft_emit(raft_t r, raft_update_t update) {
 bool raft_applied(raft_t r, int id, int index) {
 	if (r->me == id)
 	{
-		return r->log.applied >= index;
+		return r->log.applied > index;
 	}
 	else
 	{
 		raft_peer_t *p = r->peers + id;
 		if (!p->up) return false;
-		return p->applied >= index;
+		return p->applied > index;
 	}
 }