sdcardfs: Add support for d_canonicalize

Change-Id: I5d6f0e71b8ca99aec4b0894412f1dfd1cfe12add
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
diff --git a/fs/sdcardfs/dentry.c b/fs/sdcardfs/dentry.c
index 4572a54..4b1095e 100644
--- a/fs/sdcardfs/dentry.c
+++ b/fs/sdcardfs/dentry.c
@@ -178,5 +178,6 @@
 	.d_release	= sdcardfs_d_release,
 	.d_hash 	= sdcardfs_hash_ci,
 	.d_compare	= sdcardfs_cmp_ci,
+	.d_canonical_path = sdcardfs_get_real_lower,
 };