[CIFS] Fix mask so can set new cifs security flags properly

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 0442c3b..acae583 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -504,7 +504,7 @@
 #endif /* CIFS_WEAK_PW_HASH */
 			cERROR(1,("Server requests plain text password"
 				  " but client support disabled"));
-		
+
 	if(extended_security & CIFSSEC_MUST_NTLMV2)
 		server->secType = NTLMv2;
 	else