cifs: rename "extended_security" to "global_secflags"

...since that more accurately describes what that variable holds.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifssmb.c

@@ -372,7 +372,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 	if (ses->overrideSecFlg & (~(CIFSSEC_MUST_SIGN | CIFSSEC_MUST_SEAL)))
 		secFlags = ses->overrideSecFlg;  /* BB FIXME fix sign flags? */
 	else /* if override flags set only sign/seal OR them with global auth */
-		secFlags = extended_security | ses->overrideSecFlg;
+		secFlags = global_secflags | ses->overrideSecFlg;
 
 	cFYI(1, "secFlags 0x%x", secFlags);