NFS4: Remove unneeded semicolon

Fixes coccicheck warning:

fs/nfs/nfs4state.c:1138:2-3: Unneeded semicolon
fs/nfs/nfs4proc.c:6862:2-3: Unneeded semicolon
fs/nfs/nfs4proc.c:8629:2-3: Unneeded semicolon
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

fs/nfs/nfs4proc.c

@@ -6859,7 +6859,7 @@ static void nfs4_handle_setlk_error(struct nfs_server *server, struct nfs4_lock_
 	case -NFS4ERR_STALE_STATEID:
 		lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
 		nfs4_schedule_lease_recovery(server->nfs_client);
-	};
+	}
 }
 
 static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *fl, int recovery_type)
@@ -8626,7 +8626,7 @@ static int _nfs4_proc_create_session(struct nfs_client *clp,
 	case -EACCES:
 	case -EAGAIN:
 		goto out;
-	};
+	}
 
 	clp->cl_seqid++;
 	if (!status) {

fs/nfs/nfs4state.c

@@ -1135,7 +1135,7 @@ static void nfs_increment_seqid(int status, struct nfs_seqid *seqid)
 		case -NFS4ERR_MOVED:
 			/* Non-seqid mutating errors */
 			return;
-	};
+	}
 	/*
 	 * Note: no locking needed as we are guaranteed to be first
 	 * on the sequence list