[CIFS] Remove unneeded QuerySymlink call and fix mapping for unmapped status

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/smberr.h b/fs/cifs/smberr.h
index 7f50e85..c5084d2 100644
--- a/fs/cifs/smberr.h
+++ b/fs/cifs/smberr.h
@@ -110,6 +110,7 @@
 
 /* Below errors are used internally (do not come over the wire) for passthrough
    from STATUS codes to POSIX only  */
+#define ERRsymlink              0xFFFD
 #define ErrTooManyLinks         0xFFFE
 
 /* Following error codes may be generated with the ERRSRV error class.*/