NFS: Fix error recovery code in fs/nfs/inode.c:__init_nfs()

Red Hat found a problem in the error recovery logic in __init_nfs.

 Signed-off-by: Chuck Lever <cel@netapp.com>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/inode.c

@@ -2152,11 +2152,11 @@ out:
 #ifdef CONFIG_PROC_FS
 	rpc_proc_unregister("nfs");
 #endif
-	nfs_destroy_writepagecache();
 #ifdef CONFIG_NFS_DIRECTIO
-out0:
 	nfs_destroy_directcache();
+out0:
 #endif
+	nfs_destroy_writepagecache();
 out1:
 	nfs_destroy_readpagecache();
 out2: