xfs: scrub symbolic links

Create the infrastructure to scrub symbolic link data.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 94c9eaf..9ffcc81 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -156,5 +156,6 @@
 				   refcount.o \
 				   rmap.o \
 				   scrub.o \
+				   symlink.o \
 				   )
 endif