[CIFS] Re-enable Lanman security

commit ac68392 ("[CIFS] Allow raw
ntlmssp code to be enabled with sec=ntlmssp") added a new bit to the
allowed security flags mask but seems to have inadvertently removed
Lanman security from the allowed flags. Add it back.

CC: Stable <stable@kernel.org>
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifsglob.h

@@ -585,9 +585,9 @@ require use of the stronger protocol */
 #define   CIFSSEC_MUST_LANMAN	0x10010
 #define   CIFSSEC_MUST_PLNTXT	0x20020
 #ifdef CONFIG_CIFS_UPCALL
-#define   CIFSSEC_MASK          0xAF0AF /* allows weak security but also krb5 */
+#define   CIFSSEC_MASK          0xBF0BF /* allows weak security but also krb5 */
 #else
-#define   CIFSSEC_MASK          0xA70A7 /* current flags supported if weak */
+#define   CIFSSEC_MASK          0xB70B7 /* current flags supported if weak */
 #endif /* UPCALL */
 #else /* do not allow weak pw hash */
 #ifdef CONFIG_CIFS_UPCALL