SUNRPC: constify the rpc_program

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 88a114f..8949167 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -188,7 +188,7 @@
 /*
  * Global variables
  */
-extern struct rpc_program	nlm_program;
+extern const struct rpc_program	nlm_program;
 extern struct svc_procedure	nlmsvc_procedures[];
 #ifdef CONFIG_LOCKD_V4
 extern struct svc_procedure	nlmsvc_procedures4[];
diff --git a/include/linux/lockd/xdr4.h b/include/linux/lockd/xdr4.h
index 7353821..e58c88b 100644
--- a/include/linux/lockd/xdr4.h
+++ b/include/linux/lockd/xdr4.h
@@ -42,6 +42,6 @@
 int	nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *);
 int	nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
  */
-extern struct rpc_version nlm_version4;
+extern const struct rpc_version nlm_version4;
 
 #endif /* LOCKD_XDR4_H */