fs: Limit sys_mount to only request filesystem modules. (Part 3)

Somehow I failed to add the MODULE_ALIAS_FS for cifs, hostfs, hpfs,
squashfs, and udf despite what I thought were my careful checks :(

Add them now.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 1a052c0..3cf8a15 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -777,6 +777,7 @@
 	.kill_sb = cifs_kill_sb,
 	/*  .fs_flags */
 };
+MODULE_ALIAS_FS("cifs");
 const struct inode_operations cifs_dir_inode_ops = {
 	.create = cifs_create,
 	.atomic_open = cifs_atomic_open,
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index fbabb90..e3c6d50 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -993,6 +993,7 @@
 	.kill_sb	= hostfs_kill_sb,
 	.fs_flags 	= 0,
 };
+MODULE_ALIAS_FS("hostfs");
 
 static int __init init_hostfs(void)
 {
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index a307622..a0617e7 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -688,6 +688,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("hpfs");
 
 static int __init init_hpfs_fs(void)
 {
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 260e392..60553a9 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -489,6 +489,7 @@
 	.kill_sb = kill_block_super,
 	.fs_flags = FS_REQUIRES_DEV
 };
+MODULE_ALIAS_FS("squashfs");
 
 static const struct super_operations squashfs_super_ops = {
 	.alloc_inode = squashfs_alloc_inode,
diff --git a/fs/udf/super.c b/fs/udf/super.c
index bc5b30a..9ac4057 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -118,6 +118,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("udf");
 
 static struct kmem_cache *udf_inode_cachep;