ANDROID: sdcardfs: declare MODULE_ALIAS_FS

From commit ee616b78aa87 ("Wrapfs: declare MODULE_ALIAS_FS")

Signed-off-by: Daniel Rosenberg <drosen@google.com>
bug: 35766959
Change-Id: Ia4728ab49d065b1d2eb27825046f14b97c328cba
diff --git a/fs/sdcardfs/main.c b/fs/sdcardfs/main.c
index 7a8eae2..4e2aded 100644
--- a/fs/sdcardfs/main.c
+++ b/fs/sdcardfs/main.c
@@ -432,6 +432,7 @@
 	.kill_sb	= sdcardfs_kill_sb,
 	.fs_flags	= 0,
 };
+MODULE_ALIAS_FS(SDCARDFS_NAME);
 
 static int __init init_sdcardfs_fs(void)
 {